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Scientific American, Vol. 69, No. 2 (1893) (1893)
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hted. A slide held to move on down. A spectator locks the trunk and guards the comprehended that the operation here is inverse to | the scale may be fixed in any desired position by a set padlock. screw. Oo tO oo AN IMPROVED ROLLER COTTON GIN. This machine is designed to quickly and thoroughly… … GIN, © 1893 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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