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Scientific American, Vol. 69, No. 20 (1893) (1893)

leaf 3

An illustration from Scientific American, Vol. 69, No. 20 (1893), 1893, leaf 3
nner, and of figures, no matter in what direction the shaft may The Engineer, London, to which we are indebted for can be placed in positions closer together or further be running. The dial wheels are instantly brought apart, in accordance with the demands of the cylinder. our illustrations and… … > i if til BORING MACHINE. © 1893 SCIENTIFIC AMERICAN, INC.

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