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Scientific American, Vol. 43, No. 10 (1880) (1880)

leaf 7

An illustration from Scientific American, Vol. 43, No. 10 (1880), 1880, leaf 7
Mr. King also submitted for analysis some peculiar black at each end prevent a too rapid motion of the parts. The improved railway switch which is adapted to be opened and sand, suspected to contain tin, It proved to be menaccanite pointer is so connected with the frame that it moves closed by the… … the carbons, with no hissing patented an improved trac- and very little flame, the tion engine, so constructed power required was the low- that it may be used at will est. An iron wire touched to the positive carbon for only with full power for traction purposes, or as a stationary or titaniferous…

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