pulley, D, of the ma- gel. The method employed is that devised and described by of the groove is that a grinding wheel without a perfect cor- chine. Pulley, B, is journaled on the rod, W, and the lat- Bunsen and Roscoe, in their photo-chemical researches, and ner is enabled to work accurately, as… … Each of the four threads used in the knitting passes tude, even during a cloudless day. He proposes simply Fig. 1.—ELECTRIC KNITTING APPARATUS. over a pair of little grooved pulleys, P, between which to adjust a telescope so as to give distinct vision at two, it is horizontally extended. Between…
Internet Archive · Public domain (published before 1931). Free to use for anything.
