RM2AJ40B8–Fifth book of lessons for the use of schools . ell, which is to be raised by winding the rope, towhich it is attached, roundthe axle; if this be donewithout a wheel to. turn theaxle, no mechanical assist-ance is received. The axlewithout . a wheel is as im-potent as a single fixed pul-ley, or lever, whose fulcrumis in the centre; but addthe wheel to the axle, and• you will immediately find thebucket is raised with muchless difficulty. The axle actsthe part of the shorter arm of the lever, the wheel thatof the longer arm. The velocity of the circumferenceof the wheel is as much greater than tha
RM2AWDDET–Scientific American Volume 76 Number 13 (March 1897) . taken to ormoved from the field, or raised therefrom, as shown inthe illustration, when the cultivator is in workingposition. Coupled at one side to the main cultivatorshaft is an extension shaft, also carrying cultivatorteeth, the teeth being shorter near the outer end of theshaft, and this exterior shaft is supported by a yokeframe extending out laterally from the main frame.The main cultivator shaft and its extension are rotatedby sprocket wheels and chains from the main axle, thecultivator teeth passing between the teeth of the cleaner
RM2AFRWWX–. The principles of physics. ts E andF, the cord of each being so arranged that each weight, infalling, rotated the axle in the same direction. By turningthe crank above A the weights are raised to any desired hightmeasured on the scales G and H. The resistance offered by the water to the motion of thepaddles was the means by which the mechanical energy ofthe weights was converted into heat, which raised the tem- JOULE S EXPERIMENT. 305 perature of the water. Taking two bodies whose combinedmass was, e.g., 80 K, he raised them a measured distance, e.g.53m high; by so doing 4240kgm of work were
RM2AJGA43–The manufacture of rubber goods : a practical handbook for the use of manufacturers, chemists, and others . revolving brush, drivenby toothed-wheel gearing from the axle of the roll (fig. 21). Thecylinder can be raised in its bearings in a backward direction bymeans of an eccentric movement, in order to throw it out of gear.The sifted material falls into a funnel-shaped sieve fixed belowthe cylinder, and kept in continuous vibration by means of an 46 RDBBER MANUFACTURE. eccentric so that the materials passing through the cylindricalsieve are passed through the second sieve on to the rubber. Ac
RM2AJJRN3–Logging; the principles and general methods of operation in the United States . k of the forward pair of wheels. The logs are swungunder the rear pair of wheels and only the forward ends of thelogs are raised from the ground. The forward pair of trucksmay be detached and used for skidding purposes, in which case 186 LOGGING the log is suspended under the axle by means of grabs, or tongs.Mule carts do not possess any special advantages over a wagon,but are preferred because laborers are famihar with their use. The usual maximum length of haul is 500 yards, but it issometimes extended to a mile
RM2AKA0RG–Hand book of calculations for engineers and firemen : Relating to the steam engine, the steam boiler, pumps, shafting, etc. . resents a con-venient method in building-brick chimneys for steam plantswhich has been observed by theauthor, as used by Glasgow,Scotland, masons and builders.The crane at B enables theworkmen when the brick andmortar are raised, to swing itaround to the point where it is toFig. 11. be laid or to a platform near it. The lower cord of the rope C D is connected with a wheel andaxle ; in the illustration, it may be seen, that instead of thewheel and axle we might fasten a
RM2AFKTGY–. Manual of everything for the garden : 1894. PLANET JB. SINGLE WHEEL HOE, COMPLETE. PETE$ HEISlI>E$SO]St & CO., JSlEW YOP^.— IJVLPliHJVIEJSlTS. 157. The barrel is raised from the ground, carried to the place desired and instantly detached, all without handling. The weight being balanced over the axle, no lifting ordown pressure is needed in transportation. Other barrels for various purposes can be used as needed, extra trunnions being furnished, if desired, which can be readilyattached to any barrel, thus increasing the value of the Truck. We have wheels of %, 1VZ and 4 inch tire, but alw
RM2AJFCHX–The manufacture of rubber goods : a practical handbook for the use of manufacturers, chemists, and others . third method of covering the proofing with apattern. Figs. 77 and 77a illustrate the arrangement, a is therubber roller of the spreading-maching, h the roll of material to beprinted, d a wooden roller with its iron axle resting in bearings, MANUFACTURE OF SOFT-RUBBER ARTICLES. 169 which can be raised or lowered by means of screws. Round thewooden roller d and roller a runs a cloth c, on which is the im-pressed design, in the form of an endless band. The ends of thecloth must be joined to
RM2AGEAJY–. A text book of elementary mechanics, for the use of colleges and schools. increase. 206. The Wheel and Axle on the Principle of Work. Suppose the power to continue to act uniformly whilethe system makes one complete revolution; then (179)s == 27tR, and h = 2nr. Therefore P.2ttR = W.Znr, or P.R = W.r; P r. r==r = -7>-, as in Art. 203.W K 207. Applications of the Principle of the Wheel andAxle. The principle of the wheel and axle applies tomany other cases besides that here described. Forexample, the same relation holds good for the commonwindlass, as where a bucket is raised from a well,
RM2AWNFTJ–Railway and Locomotive Engineering . of the largest shaft, say 9 ins.,cut out in the middle, a V-clamp on theside of the board to fasten it on theaxle. As shown in the illustration, thisclamp can be raised or lowered so asto bring the top of the board to thecenter of any size axle. A small levelis inserted at one end so that if theline from the center of the drivers tothe center of link block is level, welevel the board. If the center line of olnmp the board on the axle up againstthe eccentric, put the crank-pin on deadcenter (forward or back) by plumbingilie pin on the opposite side, put thee
RM2AXHCRC–Lumber, its manufacture and distribution . Markings which in-dicate the Distancefrom the Saw Lineto the Face of theKnees, and also itsequivalent in Cutsof Various Thick-nesses.. By permission Clarl Bros. Co. Fig. 45.—Friction Receding Mechanism for a Sawmill Carriage. A. Carriage Axle.B. Miter Gears. C. Paper-faced Friction Wheel. D. Iron-faced FrictionWheel. E. Movable Shaft Bearing. 66 SAWMILL EQUIPMENT I of the ratchet wheel by means of the pawl lifters F. When the set-leveris against the stop P, the pawl lifters are opposite each other and canbe raised with one motion of the hand. In some
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