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Scientific American, Vol. 28, No. 19 (May 1873) (1873)

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An illustration from Scientific American, Vol. 28, No. 19 (May 1873), 1873, leaf 0
on- ly out of the way while making single tenons. against the screw, G, with sufficient friction to turn it: and struction of railroad cars. W, Figs. 2 and 3, is the gaining cylinder, which isactuated consequently, when the bevel gear, H, is rotated, it will ele- Patented February 25, 1873. For… … by the small hand wheels, M. The wheel, S,- on the screw, so abundant that it appeared as if a numerous herd had per- using the same. It runs in metal boxes placed at the upper ends G, enables the latter to be revolved in order to cause slight ished there. The place swarms with polar bears, which…

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