Warburg, James P. (James Paul), 1896-1969 · [Boston] The First national bank of Boston · leaf 36
Yam of Filling Bobbin, Warp Bobbin, and Spool. Warp and Filling Bobbins Not only is a different bobbin used for spinning warp and fillingyarns, but they are also wound differently on the bobbin. Warp yarnis wound evenly up and down the whole length of the bobbin, whilethe filling bobbins, which go… … The Barber Knotter. We have now proceeded as far as the finished yarn. Sometimes, how-ever, when a particularly strong thread is desired, or in cases of fancydesigns, it is desirable to twist two or more threads of yarn together, Twistingthis being known as two-ply, three-ply, etc. Various effects…
Cotton manufacture · Cotton trade
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