basement bed, A, Fig. 1, carries two side pieces, B, which correct clock. illustrate to provide an automatic bobbin winder that shall support a revolving plate.C, on which two arcs, the one a semi- fill the bobbins while the machine is in operation, so that all The arcs, I K, over which the… … AUTOMATIC BOBBIN WINDER FOR SEWING MACHINES the gnomon, falls on that degree. Look at thread evenly along its surface, and filling it the degree of latitude marked on the side pieces, facing the marked thereon days of the year, to which if the pointer be much more uniformly than can be done by…
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