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Scientific American, Vol. 21, No. 19 (1869) (1869)

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An illustration from Scientific American, Vol. 21, No. 19 (1869), 1869, leaf 0
asthey are thrown the above objects by a simple device isa very desirable out of gear with the clockwork. achievement. By the use of this improvement: the adjust- Small pinions, D, are attached tothe inner ends of levers,one Improvement in Mill Bushes. ment can be readily and accurately made, and… … tient. Result, equal span in inches. The levers, E, are thrust to CUSTER’S IMPROVED MILL BUSHES. RuLE 8p. To find number of one side, throwing the pinions, plates due tu a given elasticity, span, and size of plates : Multiply the cube of the span in inches by 1:66 ; multiply the perfect accuracy,…

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