ca Falls Mfg. Company, 3 = 695 Water St.,Seneca Falls, N.Y. Seer ea le CTD ERY: Steam Engine Works. SCIENTIFIC AMERICAN SUPPLE- Established 1874. Pick Them Out! Manufacturers of Greenfield Stae «+ PHYSICAL AND SCHOOL APPARATUS. « MEN‘. Any desired back number of the SCIENTIFIC tionary, Portable and… … Electric Solder Pot fully the experiments which soexcited the world, and Queen’s Patent “Triple Plate” which are now again exciting attention in connection with Roentgen’s photography. Price 10 cents each Toepler-Holtz Electrical Machine. ‘''o be had at this office and from all newsdealers.…
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