American School of Correspondence · Chicago, American school of correspondence · leaf 324
ing spun. This is neces-sary so that the revolutions of thetraveler shall fall behind the revo-lutions of the bobbin enough tomaintain a tension upon the yarn,sufficient to wind the same length,that is delivered by the front roll,less a small amount due to contraction in consequence of the twist.… … Fig. 208. Diagram ShowingPrinciple of Traveler. 287 246 COTTON SPINNING allow the traveler to fall behind the bobbin and cause more yarn to bewound. This may be understood by noting the two diagrams, Figs.208 and 209. In these illustrations, R is the ring, T, the traveler,S, the spindle, F, the…
Textile industry and fabrics
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