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Scientific American, Vol. 34, No. 12 (1876) (1876)

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An illustration from Scientific American, Vol. 34, No. 12 (1876), 1876, leaf 0
hed before they can be oiled or painted. it and the latter a sheet of india rubber, K, to add to the leys, D, may be caused to travel in either direction. Said This operation is now done by hand by the use of sand paper, elasticity, and then to fasten the wholein the box, H, by emery, etc. Like all… … ease, amatter of some Either of the pulleys, difficulty in the last A, may receive the instance, as soft faces are usually gummy and difficult to dress, and the use of loose powder effectually relieves this trouble. rocating polisher, H, and so out of the apparatus. It will Patented June 29, 1875.…

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