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Scientific American, Vol. 97, No. 14 (1907) (1907)
leaf 8
sm, which wire wrapped in asbestos is coatcd alternately presses a sharp knife with pure rubber gum. The rubber against the rapidly-revolving rub- is placed on both sides of the cloth, ber tube, and, between cuts, feeds and then pressed into the asbestos the knife laterally a distance de- by means… … MANUFACTURE OF MECHANICAL RUBBER GOODS. © 1907 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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