Engine co 50 hi-res stock photography and images

Engine Co 50 & Ladder Co 23 of the Detroit Fire Department Stock Photo

RMCN6KBW–Engine Co 50 & Ladder Co 23 of the Detroit Fire Department

1266 Robinson "Jumbo", 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept Stock Photo

RMPB7PX3–1266 Robinson "Jumbo", 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept

Robinson Jumbo , 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept Stock Photo

RMKEG181–Robinson Jumbo , 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept

This illustration dates to the 1870s and shows the Great Steam Hammer Royal Gun Factory Woolwich. The hammer was, at the time, thought to be one of the most powerful steam hammers ever constructed. Its purpose was to forge great guns for the British Navy. The hammer was made by Nasymth & Co. Its height is about 50 feet and it is surrounded with furnaces and powerful cranes, carrying the huge iron tomgs that are to grap the glowing masses. Th hammer descend not merely with its own weight of 30 tons; steam is injected behind the falling piston, which is thus driven down with vastly enhanced rapi Stock Photo

RFPD10DY–This illustration dates to the 1870s and shows the Great Steam Hammer Royal Gun Factory Woolwich. The hammer was, at the time, thought to be one of the most powerful steam hammers ever constructed. Its purpose was to forge great guns for the British Navy. The hammer was made by Nasymth & Co. Its height is about 50 feet and it is surrounded with furnaces and powerful cranes, carrying the huge iron tomgs that are to grap the glowing masses. Th hammer descend not merely with its own weight of 30 tons; steam is injected behind the falling piston, which is thus driven down with vastly enhanced rapi

Assembly of Porsche Carrera engine at the plant in Stuttgart-Zuffenhausen, Germany Stock Photo

RMBJ68YT–Assembly of Porsche Carrera engine at the plant in Stuttgart-Zuffenhausen, Germany

Portland Cement Co engine room, Cement City, Washington, ca 1907 (WASTATE 50). Stock Photo

RM2F2D0WP–Portland Cement Co engine room, Cement City, Washington, ca 1907 (WASTATE 50).

Pvt. W. H. Eels from the S.C. photographed the 50,888 gallon water tower at Maroy Engine Terminal on July 25, 1918. The water tower belonged to Co. B, 16th Regt. Engineers in Maroy, France. The photo was taken during World War I. Stock Photo

RM2RC0P92–Pvt. W. H. Eels from the S.C. photographed the 50,888 gallon water tower at Maroy Engine Terminal on July 25, 1918. The water tower belonged to Co. B, 16th Regt. Engineers in Maroy, France. The photo was taken during World War I.

Brose Fahrzeugteile GmbH u. Co. KG, Berlin, Germany Stock Photo

RMBJNHBR–Brose Fahrzeugteile GmbH u. Co. KG, Berlin, Germany

A photograph taken on September 12, 1918, shows a Hall-Scott Aeroplane Engine being manufactured by the Hall-Scott Motor Car Co. in San Francisco, California. The engine is of a specific type used in airplanes during World War One. (50 words) Stock Photo

RM2RCC995–A photograph taken on September 12, 1918, shows a Hall-Scott Aeroplane Engine being manufactured by the Hall-Scott Motor Car Co. in San Francisco, California. The engine is of a specific type used in airplanes during World War One. (50 words)

ROYAL AIR FORCE: OPERATIONS BY THE PHOTOGRAPHIC RECONNAISSANCE UNITS, 1939-1945. - Enlargement of a vertical photographic-reconnaissance aerial, showing damage to the main diesel-engine assembly workshop in the MAN factory at Augsburg, Germany, following the notable low-level attack by Avro Lancasters of No. 5 Group, Bomber Command on 17 April 1942 Royal Air Force, Royal Air Force Regiment, Sqdn, 2752, Royal Air Force, Wing, 50 (Army Co-operation) Stock Photo

RM2X03700–ROYAL AIR FORCE: OPERATIONS BY THE PHOTOGRAPHIC RECONNAISSANCE UNITS, 1939-1945. - Enlargement of a vertical photographic-reconnaissance aerial, showing damage to the main diesel-engine assembly workshop in the MAN factory at Augsburg, Germany, following the notable low-level attack by Avro Lancasters of No. 5 Group, Bomber Command on 17 April 1942 Royal Air Force, Royal Air Force Regiment, Sqdn, 2752, Royal Air Force, Wing, 50 (Army Co-operation)

Antonito, CO - August 23, 2021: Cumbres and Toltec 19 General Electric 50 ton diesel electric switch engine locomotive backs a train through the yard Stock Photo

RF2HM9NMA–Antonito, CO - August 23, 2021: Cumbres and Toltec 19 General Electric 50 ton diesel electric switch engine locomotive backs a train through the yard

GBRF Class 50 locomotives 50049 'Defiance' and 50034 'Furious'/50007 'Hercules' on the West Coast Main Line near Northampton, UK Stock Photo

RF2G6A3Y3–GBRF Class 50 locomotives 50049 'Defiance' and 50034 'Furious'/50007 'Hercules' on the West Coast Main Line near Northampton, UK

RF2PJ1J4G–Georgie's Gal B-25 Mitchell

Diesel and steam locomotives in a yard Stock Photo

RMG1HAKA–Diesel and steam locomotives in a yard

There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases Stock Photo

RMB4MXT9–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

Electric,dual;range -50/+40deg cent. 9cm l;5cm dia. Stock Photo

RM2GGBP9P–Electric,dual;range -50/+40deg cent. 9cm l;5cm dia.

RMB4MXRX–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

RMP50YC7–First electric refrigerator produced in Spain by AEESA brand (Anglo-Espanola de Electricidad SA). 50's.

Chemical engineering . Witkowitz. Thiscoke oven gas motor operatesa 150-kw. three-phase genera-tor by direct connection at aspeed of 160 r. p. m. The gasengine was constructed byBreitfeld, Danek & Co., ofPrag-Karolinenthel, Austria,Hungary, and the three-phasealternator by Ganz & Co., ofBudapest-Leubersdorfs, the fre-quency being 50 periods persecond, and the pressure 575volts. The earlier electric stationsoperated by gas engines sup-plied with producer gas werenot of the direct-connected type,but were belted to the dynamos as at tlie gas engine electricpower plant at Uster, near Zurich, Switz Stock Photo

RM2AX00M0–Chemical engineering . Witkowitz. Thiscoke oven gas motor operatesa 150-kw. three-phase genera-tor by direct connection at aspeed of 160 r. p. m. The gasengine was constructed byBreitfeld, Danek & Co., ofPrag-Karolinenthel, Austria,Hungary, and the three-phasealternator by Ganz & Co., ofBudapest-Leubersdorfs, the fre-quency being 50 periods persecond, and the pressure 575volts. The earlier electric stationsoperated by gas engines sup-plied with producer gas werenot of the direct-connected type,but were belted to the dynamos as at tlie gas engine electricpower plant at Uster, near Zurich, Switz

RMCN6KBJ–Engine Co 50 & Ladder Co 23 of the Detroit Fire Department

Title: Robinson 'Jumbo', 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept. . 1913. Stock Photo

RMMAJY4B–Title: Robinson 'Jumbo', 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept. . 1913.

Firemen of Engine Co. 50 carry casualty away from fire on stretcher Stock Photo

RMKCT88X–Firemen of Engine Co. 50 carry casualty away from fire on stretcher

RFPD10RK–This illustration dates to the 1870s and shows the Great Steam Hammer Royal Gun Factory Woolwich. The hammer was, at the time, thought to be one of the most powerful steam hammers ever constructed. Its purpose was to forge great guns for the British Navy. The hammer was made by Nasymth & Co. Its height is about 50 feet and it is surrounded with furnaces and powerful cranes, carrying the huge iron tomgs that are to grap the glowing masses. Th hammer descend not merely with its own weight of 30 tons; steam is injected behind the falling piston, which is thus driven down with vastly enhanced rapi

Scientists working in laboratory Stock Photo

RFDKJ396–Scientists working in laboratory

Pilots in a Cessna 172 In Flight, Vancouver, B.C. Stock Photo

RFB7J0GJ–Pilots in a Cessna 172 In Flight, Vancouver, B.C.

NICKEL Electro-Plating UNION MADE. $3.50 SHOES MEN. CliARTER 2otue1ilifire2ope MOST POWERFULL WIRE ROPE MADE BRODERICK&BASCOM ROPE CO. ST.LOUISMO. Mosquitoes THE CULECIDE CO. 165 Summer St - Boston Mass. RY 'ilk Q' ON 4 BACKUS GAS & GASOLINE ENGINE, scientific american, 1904-09-03 Stock Photo

RM2ABXWTP–NICKEL Electro-Plating UNION MADE. $3.50 SHOES MEN. CliARTER 2otue1ilifire2ope MOST POWERFULL WIRE ROPE MADE BRODERICK&BASCOM ROPE CO. ST.LOUISMO. Mosquitoes THE CULECIDE CO. 165 Summer St - Boston Mass. RY 'ilk Q' ON 4 BACKUS GAS & GASOLINE ENGINE, scientific american, 1904-09-03

RMH118R3–SHERMANT TANK.

RF2HM9NR3–Antonito, CO - August 23, 2021: Cumbres and Toltec 19 General Electric 50 ton diesel electric switch engine locomotive backs a train through the yard

RF2G6A3XX–GBRF Class 50 locomotives 50049 'Defiance' and 50034 'Furious'/50007 'Hercules' on the West Coast Main Line near Northampton, UK

RMG1HAKD–Diesel and steam locomotives in a yard

Dual switch;range -50/+40deg.cent. panel-mounted;10cm l;5cm dia Stock Photo

RM2GGBP47–Dual switch;range -50/+40deg.cent. panel-mounted;10cm l;5cm dia

RMB4MXGF–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

RMB4MXP9–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

. The Gardeners' Chronicle and Agricultural Gazette. than he now does when you are paying not less than12s. to 13s. per week. Consider the enormous saving in thesehard times—times of cheapness ! ! DO YOU BRUISE THE OATS YOU GIVEYOUR HORSES 1 No. Then you lose one bushel outof every three, and your Cattle do not do half so well.—MARYWEDLAKE AND CO.S OAT BRUISING MILLS. SuperiorChaff Engine, simple in construction, doing from 50 to 500bushels daily and more. Nearly all respectable Coachraastersand Brewers in London use these implements. To be seen atUS, Fenchurch-street, opposite Mark-lane, clos Stock Photo

RM2AFKD7R–. The Gardeners' Chronicle and Agricultural Gazette. than he now does when you are paying not less than12s. to 13s. per week. Consider the enormous saving in thesehard times—times of cheapness ! ! DO YOU BRUISE THE OATS YOU GIVEYOUR HORSES 1 No. Then you lose one bushel outof every three, and your Cattle do not do half so well.—MARYWEDLAKE AND CO.S OAT BRUISING MILLS. SuperiorChaff Engine, simple in construction, doing from 50 to 500bushels daily and more. Nearly all respectable Coachraastersand Brewers in London use these implements. To be seen atUS, Fenchurch-street, opposite Mark-lane, clos

Robinson 'Jumbo', 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept. Title: St. Louis Fire Department Engine Company 50 with St. Louis Robinson 'Jumbo' pumper. . 1913. Stock Photo

RMMAJY4F–Robinson 'Jumbo', 1st size, 900 gpm pumper, made in St. Louis 1913. Served first with Engine Co 50, sold in 1935 to Kinloch Volunteer Fire Dept. Title: St. Louis Fire Department Engine Company 50 with St. Louis Robinson 'Jumbo' pumper. . 1913.

Smoker Can Enjoy Price $1.50 with case $2.00 UNITED Niagara Hydraulic Ram A MONEY MAKER THE PETTYJ OLIN CO. Build Your Own Small Engine FRENCH -GERMAN Language-Phone Method Send for testimonials and booklet. 'LUBRICATES The Howard Watch E. HOWARD WATCH COMPANY Boston Mass.'ILittillir in milarmtir The Electric Washer 30 Days' FREE Tri.4 Freight Prepaid It costs you nothing. CP' H. P., scientific american, 1908-03-21 Stock Photo

RM2ABY33Y–Smoker Can Enjoy Price $1.50 with case $2.00 UNITED Niagara Hydraulic Ram A MONEY MAKER THE PETTYJ OLIN CO. Build Your Own Small Engine FRENCH -GERMAN Language-Phone Method Send for testimonials and booklet. 'LUBRICATES The Howard Watch E. HOWARD WATCH COMPANY Boston Mass.'ILittillir in milarmtir The Electric Washer 30 Days' FREE Tri.4 Freight Prepaid It costs you nothing. CP' H. P., scientific american, 1908-03-21

RMH2PNHK–SHERMAN M4 TANK

RF2HM9NM2–Antonito, CO - August 23, 2021: Cumbres and Toltec 19 General Electric 50 ton diesel electric switch engine locomotive backs a train through the yard

RMG1HAK6–Diesel and steam locomotives in a yard

52mm dia;range -50 to +40 deg.c;two-position switch; ww2 Stock Photo

RM2GGBNAR–52mm dia;range -50 to +40 deg.c;two-position switch; ww2

RMB4MXM7–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

The literary digest . ^C-C-t^^ *^What your hand-writing reveals A fascinating booklet of 32pages showing 50 fac-simiiewritings interpreting indi-vidual characteristics. Select Spencerian Pens suited to your individualwriting from a sample.boxdifferent patterns in brightgilt and silvered finish. Box of pens and booklet by mail on receipt of ten. SPENCERIAN PEN CO., 349 Broadway, New York, N. Y. Put a Reflex Plug inEvery Cylinder Then and then only can you actually prove for yourselfwiiat a world of pep and power the right kind of sparkplugs make a motor produce. Dont blame your engine if it doe Stock Photo

RM2AKGF0F–The literary digest . ^C-C-t^^ *^What your hand-writing reveals A fascinating booklet of 32pages showing 50 fac-simiiewritings interpreting indi-vidual characteristics. Select Spencerian Pens suited to your individualwriting from a sample.boxdifferent patterns in brightgilt and silvered finish. Box of pens and booklet by mail on receipt of ten. SPENCERIAN PEN CO., 349 Broadway, New York, N. Y. Put a Reflex Plug inEvery Cylinder Then and then only can you actually prove for yourselfwiiat a world of pep and power the right kind of sparkplugs make a motor produce. Dont blame your engine if it doe

649 Firemen of Engine Co. 50 carry casualty away from fire on stretcher Stock Photo

RMPA3HKP–649 Firemen of Engine Co. 50 carry casualty away from fire on stretcher

Write for Circular. PARSELL & WEED 129-131 West 31st St. New York. EGEALED . WORLD. READY SHORTLY. Gas Engine Construction Price $2.50 postpaid. MUNN & CO. Publishers SCIENTIFIC AMERICAN OFFICE THE ALUMINUM WORLD THE TOP RUNG Floats for Steam Traps Scientific American. Che Majestic $400.00 PER MONTH EASY. MATCH FACTORYDESCRIPTION ROSE POLYTECHNIC INSTITUTE :0 VAPOR LAIIICHIS PIERCE ENGINE CO- 17 N. 17th Street Racine. Wis. EARNA INCYCLEdistribut. FO, 1900-05-12 Stock Photo

RM2ABXKAA–Write for Circular. PARSELL & WEED 129-131 West 31st St. New York. EGEALED . WORLD. READY SHORTLY. Gas Engine Construction Price $2.50 postpaid. MUNN & CO. Publishers SCIENTIFIC AMERICAN OFFICE THE ALUMINUM WORLD THE TOP RUNG Floats for Steam Traps Scientific American. Che Majestic $400.00 PER MONTH EASY. MATCH FACTORYDESCRIPTION ROSE POLYTECHNIC INSTITUTE :0 VAPOR LAIIICHIS PIERCE ENGINE CO- 17 N. 17th Street Racine. Wis. EARNA INCYCLEdistribut. FO, 1900-05-12

RMH2PNHT–SHERMAN M4 TANK

STREL1NGER MARINE ENGINE CO. Gli.MON MFG. CO. SPARK COIL& A-I Condition TORREY STROP 01.50. 02.00 men whe iihaves. Dept 41 Vf Ion Zan CRESCENT GOES L1KE SIXTY ENGINE For Ptunpino. Cream THE MOTORCYCLE The Greyhound POROX' Storage Batteries ALBERT MOLLER Water Motor For Polishing Grinding and Power The Man Who Pays For the Motor CUSHMAN MOTOR CO. Gas Engine at Home Buy a Vacuum Bottle as you would a watch-not by the outside of the case tion and you will us. hesitatingly choose the CALORIS. The CALORIS BOTTLE will stand much harder usage than any other Vacuum Bottle. a lifetime guarantee while Stock Photo

RM2ABTRGG–STREL1NGER MARINE ENGINE CO. Gli.MON MFG. CO. SPARK COIL& A-I Condition TORREY STROP 01.50. 02.00 men whe iihaves. Dept 41 Vf Ion Zan CRESCENT GOES L1KE SIXTY ENGINE For Ptunpino. Cream THE MOTORCYCLE The Greyhound POROX' Storage Batteries ALBERT MOLLER Water Motor For Polishing Grinding and Power The Man Who Pays For the Motor CUSHMAN MOTOR CO. Gas Engine at Home Buy a Vacuum Bottle as you would a watch-not by the outside of the case tion and you will us. hesitatingly choose the CALORIS. The CALORIS BOTTLE will stand much harder usage than any other Vacuum Bottle. a lifetime guarantee while

RMC985WH–SHERMAN M4 MEDIUM TANK

RF2HM9NMK–Antonito, CO - August 23, 2021: Cumbres and Toltec 19 General Electric 50 ton diesel electric switch engine locomotive backs a train through the yard

Japanese Method Before the cold Get a Residence Telephone NEW YORK TELEPHONE CO. New York Central fl H.P. Gasoline Auto-Marine Engine CLAUDE S1NTZ They Make Bad Roads Good Thleff: 'AUTO=MARINE MOTOR' $37.50 ENGINE ONLY Convert Your Row Boat Into a LAUNCH belloa's NM MOM Work The New International Encyclopaedia have made it WORLD-WIDE IN ITS SCOPE. The New International holds all that an Encycloptedia can hold from 5000 B. C. DOWN TO TO-DAY. 372 Fifth Avenue New York N.Y. 44.; DODD MEAD el CO. HOW MUCH DO YOU KNOW P A BOOK FREE, scientific american, 1905-11-18 Stock Photo

RM2ABXYNN–Japanese Method Before the cold Get a Residence Telephone NEW YORK TELEPHONE CO. New York Central fl H.P. Gasoline Auto-Marine Engine CLAUDE S1NTZ They Make Bad Roads Good Thleff: 'AUTO=MARINE MOTOR' $37.50 ENGINE ONLY Convert Your Row Boat Into a LAUNCH belloa's NM MOM Work The New International Encyclopaedia have made it WORLD-WIDE IN ITS SCOPE. The New International holds all that an Encycloptedia can hold from 5000 B. C. DOWN TO TO-DAY. 372 Fifth Avenue New York N.Y. 44.; DODD MEAD el CO. HOW MUCH DO YOU KNOW P A BOOK FREE, scientific american, 1905-11-18

RMG1HAKC–Diesel and steam locomotives in a yard

53mm dia;range -50-+40deg.c;ww2;2-position switch;army type Stock Photo

RM2GGBP2E–53mm dia;range -50-+40deg.c;ww2;2-position switch;army type

RMB4MXKJ–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

Mechanical Contracting & Plumbing January-December 1909 . to have ourCatalogueand Price List!Cant wesend it to you? Our ECONOMY HOT-AIR ENGINE will give you any pressure you may require andis more efficient and economical than any otherHot-air Engine on the market. The prices will please you.. Hand Power System. 220 gal. tank, com-plete as shown, $94.50 less your discount. SYSTEMS National Equipment Co. 21-27 Lombard St., TORONTO WE ALSO SELL Hot Water Storage Tanks, AutomaticThermostatic Valves, Pumps of all kinds,Gasoline Engines, Electro Motors, QuinnAutomatic Valves, Acme Air Washers,Paul Stock Photo

RM2AHYX3K–Mechanical Contracting & Plumbing January-December 1909 . to have ourCatalogueand Price List!Cant wesend it to you? Our ECONOMY HOT-AIR ENGINE will give you any pressure you may require andis more efficient and economical than any otherHot-air Engine on the market. The prices will please you.. Hand Power System. 220 gal. tank, com-plete as shown, $94.50 less your discount. SYSTEMS National Equipment Co. 21-27 Lombard St., TORONTO WE ALSO SELL Hot Water Storage Tanks, AutomaticThermostatic Valves, Pumps of all kinds,Gasoline Engines, Electro Motors, QuinnAutomatic Valves, Acme Air Washers,Paul

Horizontal photographic postcard showing fireman carrying an occupied stretcher away from a building. Firemen are wearing jackets and hats, and a non-fireman wearing a suit and bowler hat is standing at the far right gesturing to someone off-camera. Title: Firemen of Engine Co. 50 carry casualty away from fire on stretcher. . circa 1915. Stock Photo

RMMAJY2T–Horizontal photographic postcard showing fireman carrying an occupied stretcher away from a building. Firemen are wearing jackets and hats, and a non-fireman wearing a suit and bowler hat is standing at the far right gesturing to someone off-camera. Title: Firemen of Engine Co. 50 carry casualty away from fire on stretcher. . circa 1915.

. English: The William Galloway Co. was a farm implement manufacturer and engine builder in Waterloo, Io. This ad describes a 5 hp single cylinder stationary engine. It cost $ 119.50 as shown here, or $ 130.00 as a portable. Galloway offered a 30 days trial. circa 1908 687 Galloway 5HP Engine Stock Photo

RMPA1EN7–. English: The William Galloway Co. was a farm implement manufacturer and engine builder in Waterloo, Io. This ad describes a 5 hp single cylinder stationary engine. It cost $ 119.50 as shown here, or $ 130.00 as a portable. Galloway offered a 30 days trial. circa 1908 687 Galloway 5HP Engine

RMC985WE–SHERMAN M4 MEDIUM TANK

$3.50 shoes than any other manufacturer $6263040.00. THE IDEAL COMPANY 89 State St. Boston Mass. READY FOR OCTOBER 1st Orient Tonneau Car WALTHAM MANVFACTVRING CO. Waltham Mass. CHARTER For All Work. CHARTER GAS ENGINE CO. Box 148 STERLING ILL. What Is Daus:Tip-Top? Net OLD GALVANIZING. NICKEL 30 & 32 S. Canal St. Chicago. perkios power presses are the strongest in the 24=in. Gap Shear No. 42 Perkins Street Large Contracts MIN= =MOM. UNDERWOOD TYPEWRITER CO. FOR TOOLS SAWS ETC. Photo Lenses and Shutters of every kind for all purposes ; Amateur Process. ALI ARITHMETICAL PROBLEMS WATCHES Stock Photo

RM2ABXWXA–$3.50 shoes than any other manufacturer $6263040.00. THE IDEAL COMPANY 89 State St. Boston Mass. READY FOR OCTOBER 1st Orient Tonneau Car WALTHAM MANVFACTVRING CO. Waltham Mass. CHARTER For All Work. CHARTER GAS ENGINE CO. Box 148 STERLING ILL. What Is Daus:Tip-Top? Net OLD GALVANIZING. NICKEL 30 & 32 S. Canal St. Chicago. perkios power presses are the strongest in the 24=in. Gap Shear No. 42 Perkins Street Large Contracts MIN= =MOM. UNDERWOOD TYPEWRITER CO. FOR TOOLS SAWS ETC. Photo Lenses and Shutters of every kind for all purposes ; Amateur Process. ALI ARITHMETICAL PROBLEMS WATCHES

RM2GGBN08–53mm dia;range -50-+40deg.c;ww2;2-position switch,army type

RMB4MXPR–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . 1968 Templet Odontography for describing Teeth of Gear Wheels, a val-uable instrument for millwrights, machinists, pattern-makers, etc,with full description, in case each, $3.50 EARTHS Gear Slide Rule, see page 94 KOLESCH <fc CO. pjC^ JSTEW YORK. 81 Celluloid Protractors, Engine Divided. 1970 197119721973 Semi-circular Celluloid Protractor, 5 in., open center, divided to J4 deg .../each, $.75 Sa Stock Photo

RM2AJ3KE7–Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . 1968 Templet Odontography for describing Teeth of Gear Wheels, a val-uable instrument for millwrights, machinists, pattern-makers, etc,with full description, in case each, $3.50 EARTHS Gear Slide Rule, see page 94 KOLESCH <fc CO. pjC^ JSTEW YORK. 81 Celluloid Protractors, Engine Divided. 1970 197119721973 Semi-circular Celluloid Protractor, 5 in., open center, divided to J4 deg .../each, $.75 Sa

Build Your Own Boat ''BROOKS SYSTEM AND SAVE THREE-FOURTHS Boat Patterns $1.50 and Up BROOKS BOAT MFG. CO. Knock-Down Boat Frames flake Your With the Merkel Spring Frame Motorcycle All Roads are Smooth Roads and Every Ride a Pleasure Ride 60 GOES LIKE SIXTY GILSON GASOLENE ENGINE For Pumping Cream Iron and Wire Fences 60 YEARS' EXPERIENCE PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific American. TRADE MARKS. LABELS. address Munn & Co. 361 Broadway New York. & EXPERIMENTAL WORK. E. V. BAILLARD. 24 Frankfort Street. New York. MODELS RUBBER DRYING MACHINES Magical Apparatus. EXPERIMENTAL Stock Photo

RM2ABY35E–Build Your Own Boat ''BROOKS SYSTEM AND SAVE THREE-FOURTHS Boat Patterns $1.50 and Up BROOKS BOAT MFG. CO. Knock-Down Boat Frames flake Your With the Merkel Spring Frame Motorcycle All Roads are Smooth Roads and Every Ride a Pleasure Ride 60 GOES LIKE SIXTY GILSON GASOLENE ENGINE For Pumping Cream Iron and Wire Fences 60 YEARS' EXPERIENCE PATENTS TRADE MARKS DESIGNS COPYRIGHTS &C. Scientific American. TRADE MARKS. LABELS. address Munn & Co. 361 Broadway New York. & EXPERIMENTAL WORK. E. V. BAILLARD. 24 Frankfort Street. New York. MODELS RUBBER DRYING MACHINES Magical Apparatus. EXPERIMENTAL

RMB4MXP7–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

The record of the class of 1914 . am and Tandem Rollers give satisfaction because they are depend- jable at all times, easily controlled and operated, and last a lifetime. A double |cylinder engine, large boiler, high steam dome, and differential gear, are a few ofthe many qualities which convince cities and contractors that THE MONARCH IS THE BEST Ask for a catalog of our TANDEM ROLLERS. ROCK CRUSHERS, ROADMACHINES AND ROAD OILING MACHINERY The Good Roads Machinery Co. KENNETT SQUARE, PA. NEW YORK. 50 Church St.BOSTON. 79 Milk St. MARATHON. N.Y.FORT WAYNE. Ind. 1632 Oliver Bldg., PITTSBURG j Stock Photo

RM2AM5D0B–The record of the class of 1914 . am and Tandem Rollers give satisfaction because they are depend- jable at all times, easily controlled and operated, and last a lifetime. A double |cylinder engine, large boiler, high steam dome, and differential gear, are a few ofthe many qualities which convince cities and contractors that THE MONARCH IS THE BEST Ask for a catalog of our TANDEM ROLLERS. ROCK CRUSHERS, ROADMACHINES AND ROAD OILING MACHINERY The Good Roads Machinery Co. KENNETT SQUARE, PA. NEW YORK. 50 Church St.BOSTON. 79 Milk St. MARATHON. N.Y.FORT WAYNE. Ind. 1632 Oliver Bldg., PITTSBURG j

RMB4MXMM–There are several undergound coal mines In Bulgaria still operational Coals are being used to generate electricty in the powerstations nearby the mine The coals provide almost 100 of the national electricty demands of Bulgaria Most mines are privatised Working conditions are hard in the mines Workers descent up to 700 meter underground It is dangerous as the safety regulations are not taken very seriously Workers have wages between 200 to 400 euro s per month Most of them die young before 50 due to longdiseases

TWO LATHES IN ONE. WITTE GASOLINE 'HOISTS' GAS ENGINE $1 YEARLY FOR REPAIRS! NOW READY. LIQUID AIR The Liquefaction of Gases. PRICE $2.50. MILINN & CO. PUBLISHERS 361 BROADWAY NEW YORK. Exchange NEW YORK CHICAG 38 Bromfield St. BOSTON KANSAS CITY MO. 209 North 9th St. ST. LOUIS MO. 'WOLVERINE' GAS & GASOLINE ENGINES WOLVERINE MOTOR WORKS. 12 Huron St. Grand Rapids Mich. MODEL ENGINES ILL CATALOGUE. are GUARANTEED t GIVE SATISFACTION. MARINE VAPOR ENGINES. METHOD AND SYSTEM ' SECURITY' CASH RECORDER The only Perfect CASH RECORD ER CO. Indian Orchard Mass. Magazine TEN POINTS TO CONSIDER. 1-12 Stock Photo

RM2ABXHTN–TWO LATHES IN ONE. WITTE GASOLINE 'HOISTS' GAS ENGINE $1 YEARLY FOR REPAIRS! NOW READY. LIQUID AIR The Liquefaction of Gases. PRICE $2.50. MILINN & CO. PUBLISHERS 361 BROADWAY NEW YORK. Exchange NEW YORK CHICAG 38 Bromfield St. BOSTON KANSAS CITY MO. 209 North 9th St. ST. LOUIS MO. 'WOLVERINE' GAS & GASOLINE ENGINES WOLVERINE MOTOR WORKS. 12 Huron St. Grand Rapids Mich. MODEL ENGINES ILL CATALOGUE. are GUARANTEED t GIVE SATISFACTION. MARINE VAPOR ENGINES. METHOD AND SYSTEM ' SECURITY' CASH RECORDER The only Perfect CASH RECORD ER CO. Indian Orchard Mass. Magazine TEN POINTS TO CONSIDER. 1-12

Our country and its resources; . AN EARLY EXAMPLE OF THE CURTISS FLYING BOATSO horse-power engine; speed in air, CO miles an hour; speed on water, 50 to 60 miles an hour OUB COUNTRY AND ITS RESOURCES. (Photo E. L. Ovington) FRONT VIEW OF THE 50 H. P. GNOMEROTARY, AIR-COOLED MOTOR hull, which could be reached fromthe bow-car by means of a stairwayenclosed in a chimney, enabled theairship commander to navigate byastronomical observation. While private enterprise thus de-veloped the air-liner the (ierman mil-itary authorities created the air-cruiser a Zeppelin in which thepleasant cabin-car holds Stock Photo

RM2AJB8HX–Our country and its resources; . AN EARLY EXAMPLE OF THE CURTISS FLYING BOATSO horse-power engine; speed in air, CO miles an hour; speed on water, 50 to 60 miles an hour OUB COUNTRY AND ITS RESOURCES. (Photo E. L. Ovington) FRONT VIEW OF THE 50 H. P. GNOMEROTARY, AIR-COOLED MOTOR hull, which could be reached fromthe bow-car by means of a stairwayenclosed in a chimney, enabled theairship commander to navigate byastronomical observation. While private enterprise thus de-veloped the air-liner the (ierman mil-itary authorities created the air-cruiser a Zeppelin in which thepleasant cabin-car holds

Westcott Chuck Co. Oneida N. Y. U. S. A. Every Gas Engine User GUNSMITHS TOOL MAKERS EXPERI MENTAL & REPAIR WORK ETC. DYNAM $26.50 MOTORS 27 S. Clinton St. Chicag Back PARKER STEARNS & SUTTON 226 South St. NewYork NEW BOOKS ETC. 'We Analyze Everything' AT REASONABLE RATES THE ELLSWORTH LABORATORIES EVERYTHING FOR THE AUTOMOBILE YA N KEE GRADE-METER Price $7.50 Yankee Mica Spark Plug Squa.bs Pay Hr.: ATHEST°01.s.esuppLIEs t1 IN &FO If YouYou Want the Best Lathe and Drill WESTCOTT'S THE HARRY R. GEER CO. WARREN'S ^lb 18 Battery PL New York The Improved Method of 1 qi Newark New York FINISHING Stock Photo

RM2ABXXPB–Westcott Chuck Co. Oneida N. Y. U. S. A. Every Gas Engine User GUNSMITHS TOOL MAKERS EXPERI MENTAL & REPAIR WORK ETC. DYNAM $26.50 MOTORS 27 S. Clinton St. Chicag Back PARKER STEARNS & SUTTON 226 South St. NewYork NEW BOOKS ETC. 'We Analyze Everything' AT REASONABLE RATES THE ELLSWORTH LABORATORIES EVERYTHING FOR THE AUTOMOBILE YA N KEE GRADE-METER Price $7.50 Yankee Mica Spark Plug Squa.bs Pay Hr.: ATHEST°01.s.esuppLIEs t1 IN &FO If YouYou Want the Best Lathe and Drill WESTCOTT'S THE HARRY R. GEER CO. WARREN'S ^lb 18 Battery PL New York The Improved Method of 1 qi Newark New York FINISHING

RM2AJ3348–Illustrated catalogue and price-list of drawing and tracing papers, sun print papers and equipments, drawing instruments and materials, surveying instruments, accessories, etc / Kolesch & Company. . KOLESCH & CO. 1STEW YORK. 127 Copenhagen Ship Curves—Continued Single Curves, 1- 9, of wood, $ .70.of black celluloid, $ .95.of celluloid, $1.15Single Curves, 10-16, of wood, .50.of black celluloid, .50.of celluloid, .60Single Curves, 17-27, of wood, .40.of black celluloid, .35.of celluloid, .45Single Curves, 28-45, of wood, .30.of black celluloid, .25.of celluloid, .35 Curves for Mechanical Engine

dOLD GALVANIZING. NICKEL Electro-Plating THE DURYEA POWER CO 44-84 Aeyrud St. Reading Pa. CHARTER State Power Needs. CHARTER GAS ENGINE CO. Box 148 STERLING. ILL. days' trial. Price 7.50 less $ MONTGOMERY fc CO. 105 Fulton St. N. Y. City THE PHOENIX FURNACE CO. Shaving Glass CALDWELL MFG. CO. 26 Jones St. Rochester N. Y. ESSOP STEEL C5) 'A C' ANTI-CANCER. Registered Mail Postpaid 7 out of 10 Orders from Old Customers THE 'A-C' PIPE CO 807 Times Hagan Gas Engine & Mfg. Co. TheWonder Gasoline Motors Something New slid Up-to-date Our priess will aurprise ELECTRIC RAILWAY Enter Stem NOT A Stock Photo

RM2ABXYTB–dOLD GALVANIZING. NICKEL Electro-Plating THE DURYEA POWER CO 44-84 Aeyrud St. Reading Pa. CHARTER State Power Needs. CHARTER GAS ENGINE CO. Box 148 STERLING. ILL. days' trial. Price 7.50 less $ MONTGOMERY fc CO. 105 Fulton St. N. Y. City THE PHOENIX FURNACE CO. Shaving Glass CALDWELL MFG. CO. 26 Jones St. Rochester N. Y. ESSOP STEEL C5) 'A C' ANTI-CANCER. Registered Mail Postpaid 7 out of 10 Orders from Old Customers THE 'A-C' PIPE CO 807 Times Hagan Gas Engine & Mfg. Co. TheWonder Gasoline Motors Something New slid Up-to-date Our priess will aurprise ELECTRIC RAILWAY Enter Stem NOT A

. Canadian forest industries January-June 1914. Mikado Type Locomotive, Poison Logging Co. The Mikado is a good type for heavyhauling, where runs are fairly long andhigh steaming capacity is needed. Thelocomotive illustrated traverses 30 degreecurves, and can be used on rails weigh-ing 45-50 pounds per yard. It is simplein construction, strongly built, and rideswell on uneven tracks. When in need of a logging locomotive,consult The Baldwin Locomotive Works Philadelphia, Pa., U. S. A.. A Reliable Engine in the Woods In logging operations the scene of activity is often many miles from repairfaci Stock Photo

RM2AFP924–. Canadian forest industries January-June 1914. Mikado Type Locomotive, Poison Logging Co. The Mikado is a good type for heavyhauling, where runs are fairly long andhigh steaming capacity is needed. Thelocomotive illustrated traverses 30 degreecurves, and can be used on rails weigh-ing 45-50 pounds per yard. It is simplein construction, strongly built, and rideswell on uneven tracks. When in need of a logging locomotive,consult The Baldwin Locomotive Works Philadelphia, Pa., U. S. A.. A Reliable Engine in the Woods In logging operations the scene of activity is often many miles from repairfaci

WORK. ETC The ' Wolverine ' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids. Mich. $5.00 per pair ATWATER KENT MFG. WORKS LUCAS' QUESTIONS AND ANSWERS FOR MARINE ENGINEERS THEO. AVDEL 6 CO. OF ALL GRADES published. NOW READY. Compressed Air RUBBER ETC. TUE HOGGSON .16 PETTIS CO New Haven Coml. PRICE bound in Cloth $5.00. Half Morocc $6.50., scientific american, 1902-11-01 Stock Photo

RM2ABXR1F–WORK. ETC The ' Wolverine ' Three Cylinder Gasoline Ma rine Engine. WOLVERINE MOTOR WORKS Grand Rapids. Mich. $5.00 per pair ATWATER KENT MFG. WORKS LUCAS' QUESTIONS AND ANSWERS FOR MARINE ENGINEERS THEO. AVDEL 6 CO. OF ALL GRADES published. NOW READY. Compressed Air RUBBER ETC. TUE HOGGSON .16 PETTIS CO New Haven Coml. PRICE bound in Cloth $5.00. Half Morocc $6.50., scientific american, 1902-11-01

Rod and gun . use with Kodak and BrownieFilm Cartridges, $3.00 to $7.50. No Dark-Room. BROWNIE DEVELOPING BOXES, for use with 2i x 2i and2i X 3i Brownie Film Cartridges, $1.00. No Dark-Room. EASTMAN PLATE TANKS, for use with glass plates, $3.50and $4.50. Dark-room for loading only. CANADIAN KODAK CO., Limited, Toronto, Canada. Free Booklet on Ttink Developtnenlat the dealers or hij mail. When writing advertis«r3 kindly mention Rod and Gun and Motor Sport* in Canade ROD AND GUN AND MOTOR SPORTS IN CANADA. 15 ADAMS This Canadian Engine has been in use in allparts of the British Einpiifor the pas Stock Photo

RM2AN54BH–Rod and gun . use with Kodak and BrownieFilm Cartridges, $3.00 to $7.50. No Dark-Room. BROWNIE DEVELOPING BOXES, for use with 2i x 2i and2i X 3i Brownie Film Cartridges, $1.00. No Dark-Room. EASTMAN PLATE TANKS, for use with glass plates, $3.50and $4.50. Dark-room for loading only. CANADIAN KODAK CO., Limited, Toronto, Canada. Free Booklet on Ttink Developtnenlat the dealers or hij mail. When writing advertis«r3 kindly mention Rod and Gun and Motor Sport* in Canade ROD AND GUN AND MOTOR SPORTS IN CANADA. 15 ADAMS This Canadian Engine has been in use in allparts of the British Einpiifor the pas

Opaque Projector Williams Brown & Earle GAS-ENGINE DYNAM Steady light from an ordinary Gas or Gasoline Engine. Bearings designed to support Balance Wheel outboard ROCHESTER ELECTRIC MOTOR CO. modern 6aszEngints Producer:6as Plants By R. E. MATHOT M.E. 314 Pages Bound in Cloth 152 Illustrations Price $2.50 Postpaid MUNN & COMPANY Publishers 361 Broadway New York, scientific american, 05-09-09 Stock Photo

RM2ABXYCA–Opaque Projector Williams Brown & Earle GAS-ENGINE DYNAM Steady light from an ordinary Gas or Gasoline Engine. Bearings designed to support Balance Wheel outboard ROCHESTER ELECTRIC MOTOR CO. modern 6aszEngints Producer:6as Plants By R. E. MATHOT M.E. 314 Pages Bound in Cloth 152 Illustrations Price $2.50 Postpaid MUNN & COMPANY Publishers 361 Broadway New York, scientific american, 05-09-09

WILBRAHAM BROS MACHINERY THE Eclipse Engine BENTEL NIARCEDANT & CO. HAMILTON OHI U.S.A. MURANO HIPRAUL.I BARNES' PATENT FOOT POWER MACHINERY. 30 DAYS TRIAL ALLOWED. y DIAMOND BORING . RUPTURE W A.INT 'I' F3 MOSS ENGRAVING CO. $5 to $20 Address Snicson & Co. Portland Me DO YOUR OWN PRINTING II. HOOTER Phila. Pa $38.50 IN GOLD EACH MONTH! i armr , scientific american, 1881-10-01 Stock Photo

RM2ABWPP3–WILBRAHAM BROS MACHINERY THE Eclipse Engine BENTEL NIARCEDANT & CO. HAMILTON OHI U.S.A. MURANO HIPRAUL.I BARNES' PATENT FOOT POWER MACHINERY. 30 DAYS TRIAL ALLOWED. y DIAMOND BORING . RUPTURE W A.INT 'I' F3 MOSS ENGRAVING CO. $5 to $20 Address Snicson & Co. Portland Me DO YOUR OWN PRINTING II. HOOTER Phila. Pa $38.50 IN GOLD EACH MONTH! i armr , scientific american, 1881-10-01

ELGIN NATIONAL WATCH CO. Elgin Illinois. A BRAKELESS BICYCLE A RUDDERLESS SHIP ECLIPSE MANVFACTVR-ING CO. Elmira. N. Y. TO PROVE 100 copies from Pen-written and 50 copies from Typewritten original FELIX F. DAUS DUPLICATOR CO. Daus Building ii 3 John St. New York WE BRING YOU ALL OUTDOORS :061i You've Got to Have these Nine Great Volumes. They're as DRINK PURE -WATER Berkefeld Filter If you want LAZIER AS ENGINE CO. Catalogue., scientific american, 1903-11-28 Stock Photo

RM2ABXTJW–ELGIN NATIONAL WATCH CO. Elgin Illinois. A BRAKELESS BICYCLE A RUDDERLESS SHIP ECLIPSE MANVFACTVR-ING CO. Elmira. N. Y. TO PROVE 100 copies from Pen-written and 50 copies from Typewritten original FELIX F. DAUS DUPLICATOR CO. Daus Building ii 3 John St. New York WE BRING YOU ALL OUTDOORS :061i You've Got to Have these Nine Great Volumes. They're as DRINK PURE -WATER Berkefeld Filter If you want LAZIER AS ENGINE CO. Catalogue., scientific american, 1903-11-28

DESIGNS. TRADE MARKS. SCROLL SAWS. MIDDLINGS MILL MUNN & CO. AN EASILY MADE SMALL STRONG 50 HORSE COLLAR. To Business Men. EMERSONSMITH &CO. IMPLEMENTS MACHINERY ETC. 50 THE FRICTION CLUTCH CAPTAIN Friction Hoisting Engines and Iloistinx Drums. MUNN & CO. Cigar Box Lumber THE NEW OTTO SILENT GAS ENGINE. WILCOX SHINKLE & MILLER MANUFACTURED by our NEW PATENT PROCESS. The Best in the World. II C) A N POPLAR., scientific american, 1880-03-20 Stock Photo

RM2ABWME8–DESIGNS. TRADE MARKS. SCROLL SAWS. MIDDLINGS MILL MUNN & CO. AN EASILY MADE SMALL STRONG 50 HORSE COLLAR. To Business Men. EMERSONSMITH &CO. IMPLEMENTS MACHINERY ETC. 50 THE FRICTION CLUTCH CAPTAIN Friction Hoisting Engines and Iloistinx Drums. MUNN & CO. Cigar Box Lumber THE NEW OTTO SILENT GAS ENGINE. WILCOX SHINKLE & MILLER MANUFACTURED by our NEW PATENT PROCESS. The Best in the World. II C) A N POPLAR., scientific american, 1880-03-20

S.Amining and engineering journal . f parts, economy of operation and upkeep and low first cost. Equipped with petrol engine or electricmotor. Length 25 ft. or 30ft.. Capacity35—40 tons per hour. VCe make many other types and sizesto suit special conditions. ROBINS CONVEYORS (S.A.), Ltd. Engineers, Founders, Machinists Conveying & Hoisting Machinery Materials-Handling Installations and Appliances 50, STELLA BLDGS., RISSIK & NEW STREETSP.O. BOX 4376 JOHANNESBURG Telephone: Central 4182(Head Office: Uobins Conveying Bolt Co., New York I sa 36 THE S.A. MINING AND ENGINEERING JOURNAL. Jburg, Septe Stock Photo

RM2AX3C3H–S.Amining and engineering journal . f parts, economy of operation and upkeep and low first cost. Equipped with petrol engine or electricmotor. Length 25 ft. or 30ft.. Capacity35—40 tons per hour. VCe make many other types and sizesto suit special conditions. ROBINS CONVEYORS (S.A.), Ltd. Engineers, Founders, Machinists Conveying & Hoisting Machinery Materials-Handling Installations and Appliances 50, STELLA BLDGS., RISSIK & NEW STREETSP.O. BOX 4376 JOHANNESBURG Telephone: Central 4182(Head Office: Uobins Conveying Bolt Co., New York I sa 36 THE S.A. MINING AND ENGINEERING JOURNAL. Jburg, Septe

DRY BATTERIES.-A PAPER BY L. K. oline Marine Engine. WOLVERINE MOTOR WORKS KEEP YOUR TOOLS SHARP GRINDING MACHINE (Foot or Pow n voN1.1.41 E. L GATES MFG. CO. 86-70Canal Street Chicago. Chains JAS. McKAY & CO. Manufacturers Swiss Violet Shaving Cream 50 eta Jersey Cream (Toilet) SoapI5cts. SHAVING SOAPS. LAMER. Conn. U.S.A. TO BOAT FRAMESPROPELLER WHEELS MINE CASTINGS SEND STAMP FOR CATALOGUE, scientific american, 1898-03-26 Stock Photo

RM2ABXGNX–DRY BATTERIES.-A PAPER BY L. K. oline Marine Engine. WOLVERINE MOTOR WORKS KEEP YOUR TOOLS SHARP GRINDING MACHINE (Foot or Pow n voN1.1.41 E. L GATES MFG. CO. 86-70Canal Street Chicago. Chains JAS. McKAY & CO. Manufacturers Swiss Violet Shaving Cream 50 eta Jersey Cream (Toilet) SoapI5cts. SHAVING SOAPS. LAMER. Conn. U.S.A. TO BOAT FRAMESPROPELLER WHEELS MINE CASTINGS SEND STAMP FOR CATALOGUE, scientific american, 1898-03-26

Hardware merchandising (January-June 1902) . THE JOHN MORROW MACHINESCREW COMPANY, Limited Manufacturers of Set and Cap Screws, Special Milled Work, Engine Studs,Etc. Cold Punched Nuts of every variety of finish. 1NGERSOLL, ONT.. GLASS- Art Leaded Glass,Plate and Window GlassPrismatic Glass. All Glass required for building.Catalogue and Prices on Application. THE WOOD ART GLASS CO., London, Ont. light brass, 5c; heavy yellow brass,7j£c. ; heavy red brass, 8c. ; scraplead, 2^c. ; zinc, 2c. ; scrap rubber,6c ; good country mixed rags, 50 to60c; clean dry bones, 40 to 45c per100 lb. HIDES. SKINS Stock Photo

RM2AN97N5–Hardware merchandising (January-June 1902) . THE JOHN MORROW MACHINESCREW COMPANY, Limited Manufacturers of Set and Cap Screws, Special Milled Work, Engine Studs,Etc. Cold Punched Nuts of every variety of finish. 1NGERSOLL, ONT.. GLASS- Art Leaded Glass,Plate and Window GlassPrismatic Glass. All Glass required for building.Catalogue and Prices on Application. THE WOOD ART GLASS CO., London, Ont. light brass, 5c; heavy yellow brass,7j£c. ; heavy red brass, 8c. ; scraplead, 2^c. ; zinc, 2c. ; scrap rubber,6c ; good country mixed rags, 50 to60c; clean dry bones, 40 to 45c per100 lb. HIDES. SKINS

RM2ABY2DC–1509 Fort St. West. Detroit Mich. Gas Engine Bags The CLEVELAND STONE CO. i 2d Floor. Wilshire. Cleveland. 0. 'HOW TO REMEMBER' You aro no greater Intellectually DICKSON MEMORY SellOOL 700 The Andltorlam CHICAG This $30.00 Book Case and $22.50 in Cash Are Yours ').-ryinieg Absolutely No Competitive Prizes are Offered by the METROPOLITAN MAGAZINE Everybody Can Win This Prize! There are Hundreds of Others from which to Choose Every Subscription Taken Means a Prize and a Cash Commission for You the The Prizes Are Not Competitive METROPOLITAN MAGAZINE NEW YORK For 75 Subscriptions you can win this

Scientific American Volume 87 Number 23 (December 1902) . Double Cylinder, 50 a. pand upward to 500. PARRAR &TREFTS,Steam Engine &Boiler Works.... A to 56 Perry Street,Buffalo, N. Y. Catalogue on Application Second Hand Gas and Gasoline Engines at a saving of 50 per cent., always in stock from 1 to 30h. p., allmakes. Stationary only. In thorongh order and guaranteed. Yourneeds in Gas or Gasoline Engines we keep. CALLES0N MOTOR CO.. 271 West St., New York.. WOLVERINE Gas and Gasoline Engines STATIONARY and MARINE. Wolverine is the only reversibleMarineGas Engine on the market.It is the lightest Stock Photo

RM2AJ7KY7–Scientific American Volume 87 Number 23 (December 1902) . Double Cylinder, 50 a. pand upward to 500. PARRAR &TREFTS,Steam Engine &Boiler Works.... A to 56 Perry Street,Buffalo, N. Y. Catalogue on Application Second Hand Gas and Gasoline Engines at a saving of 50 per cent., always in stock from 1 to 30h. p., allmakes. Stationary only. In thorongh order and guaranteed. Yourneeds in Gas or Gasoline Engines we keep. CALLES0N MOTOR CO.. 271 West St., New York.. WOLVERINE Gas and Gasoline Engines STATIONARY and MARINE. Wolverine is the only reversibleMarineGas Engine on the market.It is the lightest

in Half Morocco. Post Free. 1901 APPENDIX. IT MAKES MONEY RAPIDLY PHOTOSCOPE K. S. KLINE The Kickdrive Circular Saw 210.212 Canal St. New York. METAL POLISHES.-FORMULAS FOR DURYEA AUTOS DURYEA POWER CO. GOES LIKE SIXTY GILSON GASOLENE ENGINE sions including Trick Photography ard Work on Magic. Scientific American Reference Book 2ano. 516 Pages. Illustrated. 6 Colored Plates. Price 91.50 postpaid Ott The Leading Journal of Agriculture The ONLY Agricultural NEWSpaper 900 New Formulas. Ittirman ., 1906-12-29 Stock Photo

RM2ABY1BM–in Half Morocco. Post Free. 1901 APPENDIX. IT MAKES MONEY RAPIDLY PHOTOSCOPE K. S. KLINE The Kickdrive Circular Saw 210.212 Canal St. New York. METAL POLISHES.-FORMULAS FOR DURYEA AUTOS DURYEA POWER CO. GOES LIKE SIXTY GILSON GASOLENE ENGINE sions including Trick Photography ard Work on Magic. Scientific American Reference Book 2ano. 516 Pages. Illustrated. 6 Colored Plates. Price 91.50 postpaid Ott The Leading Journal of Agriculture The ONLY Agricultural NEWSpaper 900 New Formulas. Ittirman ., 1906-12-29

Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE SEBASTIAN LATHE CO 120 Culvert St. Cincinnati. 0. Incorporate Your PATENTS and BUSINESS in ARIZONA STODDARD INCORPORATING COMPANY Box8000 PHOENIX ARIZONA How to Construct An Independent Interrupter Wireless Telegraph Outfit.' Two Good Books for Steel Workers Hardening Temper Forging of Steel tions. Price $2.50 postpaid The American Steel Worker Size 531: x8 inches. 367 pages. 163 illustra tions. Price $2.50 postpaid each but when the two volumes are .ordered from Wood=working Stock Photo

RM2ABTTCT–Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE SEBASTIAN LATHE CO 120 Culvert St. Cincinnati. 0. Incorporate Your PATENTS and BUSINESS in ARIZONA STODDARD INCORPORATING COMPANY Box8000 PHOENIX ARIZONA How to Construct An Independent Interrupter Wireless Telegraph Outfit.' Two Good Books for Steel Workers Hardening Temper Forging of Steel tions. Price $2.50 postpaid The American Steel Worker Size 531: x8 inches. 367 pages. 163 illustra tions. Price $2.50 postpaid each but when the two volumes are .ordered from Wood=working

KEROSENE OIL ENGINE operated. International Power Vehicle Co. STAMFORD CONN. For Prexent Time For Future Time For All Time LLG1N T I M Every Elgin Watch is fully guaranteed. All jewelers have Elgin Watches. 'Timemakers and Timekeepers' an illus The MEDART BOAT BUILDING MATERIALS A HICH MARK Patton's Aereo-Painter in two days' use. Weighs only twenty-five pounds and has nothing to get out of order. PATTON'S ASBESTOS FIREPROOF. PAINT PITTSBURGH PLATE GLASS CO. General Distributers. PRICE S4350. 'CUSHMAN' THE CUSHMAN CHUCK C 189 Allyn St Hartford Conn. $1.50, scientific american, 1903-05-30 Stock Photo

RM2ABXRRT–KEROSENE OIL ENGINE operated. International Power Vehicle Co. STAMFORD CONN. For Prexent Time For Future Time For All Time LLG1N T I M Every Elgin Watch is fully guaranteed. All jewelers have Elgin Watches. 'Timemakers and Timekeepers' an illus The MEDART BOAT BUILDING MATERIALS A HICH MARK Patton's Aereo-Painter in two days' use. Weighs only twenty-five pounds and has nothing to get out of order. PATTON'S ASBESTOS FIREPROOF. PAINT PITTSBURGH PLATE GLASS CO. General Distributers. PRICE S4350. 'CUSHMAN' THE CUSHMAN CHUCK C 189 Allyn St Hartford Conn. $1.50, scientific american, 1903-05-30

Scientific American Volume 76 Number 13 (March 1897) . NO INSPECTION, BOILER,FIRE. HEAT, SMOKE OR ODOR.k^rtKIIT-rtO VAPOR ENGINE AND POWER COMPANYIVIUNI I UrV (BAND RAPIDS. MICH. SEND FOR CATALOSUE. Perfect Hewspaper file. AAA/VWW Subscribers to the Scientific American and Scien-tific American Supplement, who wish to preservetheir papers for binding, may obtain the Koch PatentFile at the office of this paper. Heavy board sides, in-scription Scientific American and Scientific Ameri-can Supplement in gilt. Price $1.50, by mail, or $1.25at this office. Address MUNN & CO., 361 Broadway, New York. Stock Photo

RM2AWCXCK–Scientific American Volume 76 Number 13 (March 1897) . NO INSPECTION, BOILER,FIRE. HEAT, SMOKE OR ODOR.k^rtKIIT-rtO VAPOR ENGINE AND POWER COMPANYIVIUNI I UrV (BAND RAPIDS. MICH. SEND FOR CATALOSUE. Perfect Hewspaper file. AAA/VWW Subscribers to the Scientific American and Scien-tific American Supplement, who wish to preservetheir papers for binding, may obtain the Koch PatentFile at the office of this paper. Heavy board sides, in-scription Scientific American and Scientific Ameri-can Supplement in gilt. Price $1.50, by mail, or $1.25at this office. Address MUNN & CO., 361 Broadway, New York.

L Counters Booklet Free YEEDER MFG. CO. Hartford Conn. Price as shown S7.50 Without Hand Power 94.50 ELEVEN-INCH SCREW CUTTINC LATHE Do You Use Chucks? THE CUSHMAN CHUCK WORKS PALMER MARINE and STATIONARY MOTORS 2 and 4 CYCLE PALMER BROS. Cos Cob Conn. TheWONDER DYNAMO-MOTOR THE R. M. CORNWELL CO. ELECTRIC LAUNCH MOTOR. — THE H.P. Gasoline Auto-Marine Engine CLAUDE SINTZ alli WOLVERINE SELF STARTING AND REVERSING WOLVERINE MOTOR WORKS Grand Rapids Mich U. S. A., scientific american, 1905-09-16 Stock Photo

RM2ABXYD1–L Counters Booklet Free YEEDER MFG. CO. Hartford Conn. Price as shown S7.50 Without Hand Power 94.50 ELEVEN-INCH SCREW CUTTINC LATHE Do You Use Chucks? THE CUSHMAN CHUCK WORKS PALMER MARINE and STATIONARY MOTORS 2 and 4 CYCLE PALMER BROS. Cos Cob Conn. TheWONDER DYNAMO-MOTOR THE R. M. CORNWELL CO. ELECTRIC LAUNCH MOTOR. — THE H.P. Gasoline Auto-Marine Engine CLAUDE SINTZ alli WOLVERINE SELF STARTING AND REVERSING WOLVERINE MOTOR WORKS Grand Rapids Mich U. S. A., scientific american, 1905-09-16

TRADE MARKS. New York. Other foreign patents may also be obtained 9.0verfioements. ' ADVERTISING PURPOSES BARREL KEG Hogshead STATE MACHINERY. Over 50 varieties manu factured by ASPHALTUM AND THE PITCH LAKE DESIGNS. FOR SALE CHEAP Otto Gas Engine FOR Monotone Machine 0 THEORY OF UNITS. BY G. SZAR AERIAL VORTICES.-AN ACCOUNT OF Inside Page each insertion 75 cents a line. Back Page each insertion - 51.00 line. Imprnedamoventgag TIIESFoot Power SHIELDS &BROWN CO. Sectional The Best Non-Conductor of Heat &fold in the W Send for illustrated descriptive Cirentarond name his mar. 143 Worth Street 78 Stock Photo

RM2ABX2JC–TRADE MARKS. New York. Other foreign patents may also be obtained 9.0verfioements. ' ADVERTISING PURPOSES BARREL KEG Hogshead STATE MACHINERY. Over 50 varieties manu factured by ASPHALTUM AND THE PITCH LAKE DESIGNS. FOR SALE CHEAP Otto Gas Engine FOR Monotone Machine 0 THEORY OF UNITS. BY G. SZAR AERIAL VORTICES.-AN ACCOUNT OF Inside Page each insertion 75 cents a line. Back Page each insertion - 51.00 line. Imprnedamoventgag TIIESFoot Power SHIELDS &BROWN CO. Sectional The Best Non-Conductor of Heat &fold in the W Send for illustrated descriptive Cirentarond name his mar. 143 Worth Street 78

ENGINE CASTINGS SEND STAMP FOR CATALOG PALMER BROS. Mianus Conn Twelfth Edition Now Ready. THE SCIENTIFIC AMERICAN 12500 RECEIPTS. 708 PAGES. Price $5.00 in Cloth ; $6.00 in Sheep; $6.50 in Half Morocc Postpaid. FLOU; ARBORUNDUM COMBINED. Wonder-Tube Co.925 F St.SeehlogtoD.C. TORNADO TOP Watchmaking a trade for Young men and Women Parsons' Institute for Watchmakers Engravers and Opticians in new Quarters. How to Build a Homeigab- 'The Scientific American Building Edition.' KRAFTUBERTRAGUNGSWERKE RHEINFELDEN prints No cla.rli rooms nor romp!' cared manipulation. .WOODEN TANKS. BANKRUPT STOCK Stock Photo

RM2ABXF3D–ENGINE CASTINGS SEND STAMP FOR CATALOG PALMER BROS. Mianus Conn Twelfth Edition Now Ready. THE SCIENTIFIC AMERICAN 12500 RECEIPTS. 708 PAGES. Price $5.00 in Cloth ; $6.00 in Sheep; $6.50 in Half Morocc Postpaid. FLOU; ARBORUNDUM COMBINED. Wonder-Tube Co.925 F St.SeehlogtoD.C. TORNADO TOP Watchmaking a trade for Young men and Women Parsons' Institute for Watchmakers Engravers and Opticians in new Quarters. How to Build a Homeigab- 'The Scientific American Building Edition.' KRAFTUBERTRAGUNGSWERKE RHEINFELDEN prints No cla.rli rooms nor romp!' cared manipulation. .WOODEN TANKS. BANKRUPT STOCK

Annual catalogue : 1916 machinery, fertilizers, seeds, etc . 33 gallon capacity40 gallon capacity53 gallon capacity .$11.00. 12.50. 15.00 PRICES SUBJECT TO CHANGE WITHOUT NOTICE 58 C. M. WOOLF & CO., Inc., 1005 B Street, N. W., Washington, D. C. GASOLINE ENGINES. I H C, Victor and Famous Gas and Gas-oline Engines Operated With Gasoline, Natural, Manufactured, or ProducerGas, Kerosene or Alcohol.Vertical and Horizontal Types Stationary and PortableWater-Cooled and Air-Cooled 1 to 20 HorsepowerSawing, Spraying, Hoisting, and Pumping OutfitsThe Gasoline Engine as a Farm PowerThe Gasoline Engine i Stock Photo

RM2AWGFXD–Annual catalogue : 1916 machinery, fertilizers, seeds, etc . 33 gallon capacity40 gallon capacity53 gallon capacity .$11.00. 12.50. 15.00 PRICES SUBJECT TO CHANGE WITHOUT NOTICE 58 C. M. WOOLF & CO., Inc., 1005 B Street, N. W., Washington, D. C. GASOLINE ENGINES. I H C, Victor and Famous Gas and Gas-oline Engines Operated With Gasoline, Natural, Manufactured, or ProducerGas, Kerosene or Alcohol.Vertical and Horizontal Types Stationary and PortableWater-Cooled and Air-Cooled 1 to 20 HorsepowerSawing, Spraying, Hoisting, and Pumping OutfitsThe Gasoline Engine as a Farm PowerThe Gasoline Engine i

Buffalo. N. Y. NOW READY Bound Volume SCIENTIFIC AMERICAN BUILDING MONTHLY A Monthly Magazine of Domestic Archi tecture Sumptuously Illustrated . 136 Pages 33 PRICE OF SEMI-ANNUAL VOLUME $2.00 POSTAUE PAID SPECIAL FEATURES MUNN 8% COMPANY FRENCH-GERMAN SPANISH-ITALIAN LANGUAGE METHOD PIPE-THREADING FORBES PATENT DIE STOCK CATALOGUE FREE CURTIS & CURTIS C For Fay & Bowen Engine Co. No. 80 Lake Street A MONEY MAKER PETT YJ OHN BROS. 8 LIGHT DYNAMO. $26.50 MOTORS ROTH BROS. & CO., 1905-01-14 Stock Photo

RM2ABXXCE–Buffalo. N. Y. NOW READY Bound Volume SCIENTIFIC AMERICAN BUILDING MONTHLY A Monthly Magazine of Domestic Archi tecture Sumptuously Illustrated . 136 Pages 33 PRICE OF SEMI-ANNUAL VOLUME $2.00 POSTAUE PAID SPECIAL FEATURES MUNN 8% COMPANY FRENCH-GERMAN SPANISH-ITALIAN LANGUAGE METHOD PIPE-THREADING FORBES PATENT DIE STOCK CATALOGUE FREE CURTIS & CURTIS C For Fay & Bowen Engine Co. No. 80 Lake Street A MONEY MAKER PETT YJ OHN BROS. 8 LIGHT DYNAMO. $26.50 MOTORS ROTH BROS. & CO., 1905-01-14

Annual catalogue : machinery, fertilizers, seeds, etc1917 . cohfn za.ctit 33 gallon capacity.40 gallon capacity.53 gallon capacity. .$12.00. 13.50. 16.00 PRICES SUBJECT TO CHANGE WITHOUT NOTICE 58 C. M. WOOLF & CO., Inc., 1005 B Street, N. W., Washington, D. C. GASOLINE ENGINES. I H C Victor and Famous Gas andGasoline Engines Operated With Gasoline, Natural, Manufactured, or ProducerGas, Kerosene or Alcohol.Vertical and Horizontal Types Stationary and PortableWater-Cooled and Air-Cooled 1 to 20 HorsepowerSawing, Spraying, Hoisting, and Pumping OutfitsThe Gasoline Engine as a Farm PowerThe Gaso Stock Photo

RM2AKJBRP–Annual catalogue : machinery, fertilizers, seeds, etc1917 . cohfn za.ctit 33 gallon capacity.40 gallon capacity.53 gallon capacity. .$12.00. 13.50. 16.00 PRICES SUBJECT TO CHANGE WITHOUT NOTICE 58 C. M. WOOLF & CO., Inc., 1005 B Street, N. W., Washington, D. C. GASOLINE ENGINES. I H C Victor and Famous Gas andGasoline Engines Operated With Gasoline, Natural, Manufactured, or ProducerGas, Kerosene or Alcohol.Vertical and Horizontal Types Stationary and PortableWater-Cooled and Air-Cooled 1 to 20 HorsepowerSawing, Spraying, Hoisting, and Pumping OutfitsThe Gasoline Engine as a Farm PowerThe Gaso

ath verd. ATTLIES FRENCH—GERMAN SPANISH—ITALIAN LANGUAGE METHOD TAKE THE NICKEL PLATE ROAD FOR THE ST. LOUIS FAIR. Niagara Hydraulic Engine Co. GRINDER THE EUREKA CLIP If you want the best CHUCKS buy Westcott's Volt Ammeters cal and Easily Operated. International Power Vehicle Co. The Reasons Why YOUR AUTO SHOULD BE EQUIPT WITH SOLAR SOLARS ARE HANDSOrIE SOLARS ARE RELIABLE SOLARS ARE BEST The Gold tledal Awarded by the Jury at the World's Fair at St. Our Catalog Free for the asking NEW YORK OFFICE. Warren Street DYNAM $26.50 MOTORS ROTH BROS. A: CO. 2? S. Clinton St. Chicag 'We Analyze Stock Photo

RM2ABXX8K–ath verd. ATTLIES FRENCH—GERMAN SPANISH—ITALIAN LANGUAGE METHOD TAKE THE NICKEL PLATE ROAD FOR THE ST. LOUIS FAIR. Niagara Hydraulic Engine Co. GRINDER THE EUREKA CLIP If you want the best CHUCKS buy Westcott's Volt Ammeters cal and Easily Operated. International Power Vehicle Co. The Reasons Why YOUR AUTO SHOULD BE EQUIPT WITH SOLAR SOLARS ARE HANDSOrIE SOLARS ARE RELIABLE SOLARS ARE BEST The Gold tledal Awarded by the Jury at the World's Fair at St. Our Catalog Free for the asking NEW YORK OFFICE. Warren Street DYNAM $26.50 MOTORS ROTH BROS. A: CO. 2? S. Clinton St. Chicag 'We Analyze

Builder's hardware; a manual for architects, builders and house furnishers . Fig. 47. Dutch-Door Bolt. Hopkint& Dickinson Manufg. Co. The Hopkins & Dickinson Manufacturing Co., has recently 40 BUILDERS HARDWARE. Chapter iv. put on the market a form of flush-bolt intended specially forDutch doors, that is to say, doors in two folds, horizontally.Figure 47 illustrates this. The bolt-plate is about seven incheslong, and is rebated to match the rebates of the doors. Theretail price of a single bronze bolt is $2.50. Figure 48 illus-trates a chain and a foot-bolt. Engine-house bolts are made in a va Stock Photo

RM2ANF0C3–Builder's hardware; a manual for architects, builders and house furnishers . Fig. 47. Dutch-Door Bolt. Hopkint& Dickinson Manufg. Co. The Hopkins & Dickinson Manufacturing Co., has recently 40 BUILDERS HARDWARE. Chapter iv. put on the market a form of flush-bolt intended specially forDutch doors, that is to say, doors in two folds, horizontally.Figure 47 illustrates this. The bolt-plate is about seven incheslong, and is rebated to match the rebates of the doors. Theretail price of a single bronze bolt is $2.50. Figure 48 illus-trates a chain and a foot-bolt. Engine-house bolts are made in a va

Wood-working Machinery LUFKIN If You Want the Best Lathe and Drill Westcott Chuck Co. Oneida N. Y. U. S. A. WESTCOTT'S Toled OhiolISA Kerosene Oil Engine cal and Easily Operated. International Power Vehicle Co. PATENTS EveryMechanic Should Own It. TABER ROTARY PUMP 8 LIGHT DYNAM $26.50 MOTORS ARTESIAN INDEX OF INVENTIONS AND EACH BEARING THAT DATE ORIGINAL BARNES „ 10 to 50-inch Swing PEDOMETER MODERN MACHINERY COMPANY. 'We Analyze Everything' AT REASONABLE RATES THE ELLSWORTH LABORATORIES Max D. Slimmer. Ph.D. THE EUREKA CLIP Hand Power The CLEVELAND STONE CO. WALK ID A DAY? U. S. A. LIQUID Stock Photo

RM2ABXXF2–Wood-working Machinery LUFKIN If You Want the Best Lathe and Drill Westcott Chuck Co. Oneida N. Y. U. S. A. WESTCOTT'S Toled OhiolISA Kerosene Oil Engine cal and Easily Operated. International Power Vehicle Co. PATENTS EveryMechanic Should Own It. TABER ROTARY PUMP 8 LIGHT DYNAM $26.50 MOTORS ARTESIAN INDEX OF INVENTIONS AND EACH BEARING THAT DATE ORIGINAL BARNES „ 10 to 50-inch Swing PEDOMETER MODERN MACHINERY COMPANY. 'We Analyze Everything' AT REASONABLE RATES THE ELLSWORTH LABORATORIES Max D. Slimmer. Ph.D. THE EUREKA CLIP Hand Power The CLEVELAND STONE CO. WALK ID A DAY? U. S. A. LIQUID

EARTH TO HEAVEN: A $5.00 ELEGANT STEEL ENGRAVING GIVEN AWAY! AS A SPECIAL HOLIDAY GIFT. ZECASTERPIECE OF ART CHRIST'S FAREWELL TO HIS MOTHER CONTINENTAL PIIBLISHINO C CONTINIENTA.L PUBLISHING CO. $2500 Wright's Automatic Cut-off Engine. PATENT MINERAL WOOL. Scientific American. Mechanics of Ventilation. PATENTS SOLD. DON'T FAIL TO USE WORK FOR ALL MADE To ORDER PATENTS AT AUCTION. THE DRIVEN WELL The George Place Machinery Agency WIRE.DRA WING MACHINERY Brainerd MILLING MACHINES STEAM ENGINES. Lathes Planers Shapers Baker Rotary Pressure Blower. :WC) WI' ITING'T'ON OIL FEEDER 8.1c 50 PER CENT Stock Photo

RM2ABWH2T–EARTH TO HEAVEN: A $5.00 ELEGANT STEEL ENGRAVING GIVEN AWAY! AS A SPECIAL HOLIDAY GIFT. ZECASTERPIECE OF ART CHRIST'S FAREWELL TO HIS MOTHER CONTINENTAL PIIBLISHINO C CONTINIENTA.L PUBLISHING CO. $2500 Wright's Automatic Cut-off Engine. PATENT MINERAL WOOL. Scientific American. Mechanics of Ventilation. PATENTS SOLD. DON'T FAIL TO USE WORK FOR ALL MADE To ORDER PATENTS AT AUCTION. THE DRIVEN WELL The George Place Machinery Agency WIRE.DRA WING MACHINERY Brainerd MILLING MACHINES STEAM ENGINES. Lathes Planers Shapers Baker Rotary Pressure Blower. :WC) WI' ITING'T'ON OIL FEEDER 8.1c 50 PER CENT

Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE SPECIAL TO AUTOMOBILISTS: CONSUMERS AUTO SUPPLY CO. 1252-1254 Wabash Avenue Chicag Ills. The Perfection Wrench THE PERFECTION WRENCH CO. Box 426 Port Chester N. Y. NEW DOUBLE BARREL SHOTGUNS MUNN & COMPANY 361 Broadway New York. N. Y. John D. Rockefeller says: and pathetic than a man who devotes all the waking hours of the day t making money for money's sake.' THE WORLD'S WORK A Home Made Alternating Current Motor Magazine Library The Newest Offerings: Everybody's . . . $1.50 The Stock Photo

RM2ABY3YT–Engine and Foot Lathes MACHINE SHOP OUTFITS TOOLS AND SUPPLIES. BEST MATERIALS. BEST WORKMANSHIP. CATALOGUE FREE SPECIAL TO AUTOMOBILISTS: CONSUMERS AUTO SUPPLY CO. 1252-1254 Wabash Avenue Chicag Ills. The Perfection Wrench THE PERFECTION WRENCH CO. Box 426 Port Chester N. Y. NEW DOUBLE BARREL SHOTGUNS MUNN & COMPANY 361 Broadway New York. N. Y. John D. Rockefeller says: and pathetic than a man who devotes all the waking hours of the day t making money for money's sake.' THE WORLD'S WORK A Home Made Alternating Current Motor Magazine Library The Newest Offerings: Everybody's . . . $1.50 The

citutific litttif4. AIM Newspaper Advertising. 50 CENTS TO $5 E. C. A GLEN & Co. Augusta Maine. Milling Machines IMPORTANT BY Dr. L. FEUCHTWANGER PARKER PARKER BROS. Vertical Horizontal & Incline Engines. Handren & Ripley New York. No SENT ON TRIAL-CIRCULARS MAILED FREIL Hoisting Machines BOILER SUPPLY Feed Pump. To Advertisers. 37 Park Row New York. Stevens'Ilelical Caliper STEAM HAMMERS STEAM ENGINES ME BRICK & SONS SAP OLI For General Household Purposes IS BETTER AND CHEAPER THAN SOAP. Small Engine Lathes Andrews' Patents. Noiseless Friction Grooved Portable and Warehouse Hoisters Stock Photo

RM2ABW6GN–citutific litttif4. AIM Newspaper Advertising. 50 CENTS TO $5 E. C. A GLEN & Co. Augusta Maine. Milling Machines IMPORTANT BY Dr. L. FEUCHTWANGER PARKER PARKER BROS. Vertical Horizontal & Incline Engines. Handren & Ripley New York. No SENT ON TRIAL-CIRCULARS MAILED FREIL Hoisting Machines BOILER SUPPLY Feed Pump. To Advertisers. 37 Park Row New York. Stevens'Ilelical Caliper STEAM HAMMERS STEAM ENGINES ME BRICK & SONS SAP OLI For General Household Purposes IS BETTER AND CHEAPER THAN SOAP. Small Engine Lathes Andrews' Patents. Noiseless Friction Grooved Portable and Warehouse Hoisters

CIRCLE DIVIDER AND ANGLE PROTRACTOR Manufacturers 44 Ann Street New York. FOR TOOLS SAWS ETC. IMPERIAL BALL BEARING AXLE 97 PATTERN 8000 sets in use. GAS ENGINE WEBSTER M'F'G CO. M 'WOLVERINE' GAS & GASOLINE EI.GINES STATIONARY AND MARINE. Genuine Yankee Shaving Soap 10 cts. Jersey Cream (Toilet) Soap IS cts. TH E Conn. U.S.A. FELT & TARRANT MFG CO. 52.50 ILLINOIS ST CHICAGO. SON PItOF zfr Which would you rely on? We make our 'PIONEER' Tube d Fifty Carbon Steel NOTE THE FULL IMPORT OF THE PARALLEL LINES., scientific american, 97-09-11 Stock Photo

RM2ABXFXD–CIRCLE DIVIDER AND ANGLE PROTRACTOR Manufacturers 44 Ann Street New York. FOR TOOLS SAWS ETC. IMPERIAL BALL BEARING AXLE 97 PATTERN 8000 sets in use. GAS ENGINE WEBSTER M'F'G CO. M 'WOLVERINE' GAS & GASOLINE EI.GINES STATIONARY AND MARINE. Genuine Yankee Shaving Soap 10 cts. Jersey Cream (Toilet) Soap IS cts. TH E Conn. U.S.A. FELT & TARRANT MFG CO. 52.50 ILLINOIS ST CHICAGO. SON PItOF zfr Which would you rely on? We make our 'PIONEER' Tube d Fifty Carbon Steel NOTE THE FULL IMPORT OF THE PARALLEL LINES., scientific american, 97-09-11

Gleanings in bee culture . are self-cleaning, as. the cover sits inside thefire-pot; the liquid creosote runs back into thefire and burns up. The valve in the bellowsgives you a smoker with life. Smoke Engine, 4-inch stove. Doctor, 3^-inch stove. Conqueror, 3-inch stove. Little Wonder, 2/^-in. stove,Two larger sizes with metal legs and hingedcover, in copper, oOc extra. Parcel-post shipping weight, 2lbs. each.For sale at your dealers or direct. L.25.85.75.50 A. G. WOODMAN CO GRAND RAPIDS, MICH. Reasons Why You Should Investigate the SANDOW Kerosene stationary engine It rune on kerosene (coal o Stock Photo

RM2AKNFDR–Gleanings in bee culture . are self-cleaning, as. the cover sits inside thefire-pot; the liquid creosote runs back into thefire and burns up. The valve in the bellowsgives you a smoker with life. Smoke Engine, 4-inch stove. Doctor, 3^-inch stove. Conqueror, 3-inch stove. Little Wonder, 2/^-in. stove,Two larger sizes with metal legs and hingedcover, in copper, oOc extra. Parcel-post shipping weight, 2lbs. each.For sale at your dealers or direct. L.25.85.75.50 A. G. WOODMAN CO GRAND RAPIDS, MICH. Reasons Why You Should Investigate the SANDOW Kerosene stationary engine It rune on kerosene (coal o

Liberty Street New York City. - STEAM ENGINE INDIOATOR VELOCITY OF ICE BOATS. A COLLEC. OIL WELL SUPPLY CO. Ltd. Pittsburgh Pa ARTESIAN ON GAS ENGINES-A VALUABLE OTTO GAS ENGINES 33000 SOLD. Engines and Pumps Combined. SCHLEICHER SCHUMM & CO. PHILADELPHIA CHICAG NEW YORK. GATES ROCK & ORE BREAKER 50 C So. Clinton St. Chicag ICE-HOUSE AND COLD ROOM.-BY R. THIN PANEL STOCK In Whitewood Walnut etc. HENRY T. BARTLETT CABINET WOODS I MAHOGANY and VENEERS SAW MILLS. VON OX Stored Energy THE ACCUMULATOR COMPANY, scientific american, 1891-02-28 Stock Photo

RM2ABX723–Liberty Street New York City. - STEAM ENGINE INDIOATOR VELOCITY OF ICE BOATS. A COLLEC. OIL WELL SUPPLY CO. Ltd. Pittsburgh Pa ARTESIAN ON GAS ENGINES-A VALUABLE OTTO GAS ENGINES 33000 SOLD. Engines and Pumps Combined. SCHLEICHER SCHUMM & CO. PHILADELPHIA CHICAG NEW YORK. GATES ROCK & ORE BREAKER 50 C So. Clinton St. Chicag ICE-HOUSE AND COLD ROOM.-BY R. THIN PANEL STOCK In Whitewood Walnut etc. HENRY T. BARTLETT CABINET WOODS I MAHOGANY and VENEERS SAW MILLS. VON OX Stored Energy THE ACCUMULATOR COMPANY, scientific american, 1891-02-28

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