RECENTLY PATENTED INVENTIONS. Engineering. THROTTLE AND SLIDE VALVEJohn FEED WATER HEATER AND CIRCULA Electrical. Mining Etc. Railway Appliances. Mechanical. Miscellaneous. NEW BOOKS AND PUBLICATIONS. THE WATER SUPPLY OF TOWNS AND THE CONSTRUCTION OF WATER, scientific american, 1894-12-11

- Image ID: 2ABXC6E
RECENTLY PATENTED INVENTIONS. Engineering. THROTTLE AND SLIDE VALVEJohn FEED WATER HEATER AND CIRCULA Electrical. Mining Etc. Railway Appliances. Mechanical. Miscellaneous. NEW BOOKS AND PUBLICATIONS. THE WATER SUPPLY OF TOWNS AND THE CONSTRUCTION OF WATER, scientific american, 1894-12-11
Penta Springs LLP / Alamy Stock Photo
Image ID: 2ABXC6E
RECENTLY PATENTED INVENTIONS. Engineering. THROTTLE AND SLIDE VALVEJohn FEED WATER HEATER AND CIRCULA Electrical. Mining Etc. Railway Appliances. Mechanical. Miscellaneous. NEW BOOKS AND PUBLICATIONS. THE WATER SUPPLY OF TOWNS AND THE CONSTRUCTION OF WATER, scientific american, 1894-12-11