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Scientific American, Vol. 52, No. 26 (1885) (1885)

leaf 14

An illustration from Scientific American, Vol. 52, No. 26 (1885), 1885, leaf 14
413 … (= On receipt of the price, the books OR SAL E—Patent for metallic. packing for piston ordered will be sent by mail, unless other rods and valve stems; also two-thirds of the original patent that controls the pall and socket. Metallic pack- MATERIALS, directions are given. Those who desire Building…

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