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Scientific American, Vol. 76, No. 15 (April 1897) (1897)

leaf 3

An illustration from Scientific American, Vol. 76, No. 15 (April 1897), 1897, leaf 3
}4 inch steel spindle to adjustment by hand, but with this improvement the of nitrogen and oxygen, says Prometheus. The aver- fill the length of turning, each head having three cut- levers may be so proportioned as to maintain the slack age is 1'192 per cent (by volume), and the greatest devi- ters… … Chicago Tribune. A COMBINED SPOKE AND HANDLE LATHE. © 1897 SCIENTIFIC AMERICAN, INC.

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