American School of Correspondence · Chicago, American school of correspondence · leaf 331
Fig. 214. Filliug Bobbin. 293 252 COTTON SPINNING fulcrum of the builder arm is at Q; the throw of the cam is shown bythe distance between the center of the cam rolls, A and B. When the rail is traversing its greatest distance and the rack iswound out, the hook is at G and the length of the… … Fig. 215. Combination Builder. sented by the distance between the horizontal lines, C-D. But whenthe bobbin is full and the traverse is shortened to its extent, the point,G, where the hook is attached, has moved in to H and the traverseof the rail is represented by the distance E-F. The distance…
Textile industry and fabrics
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