The device that winds the yarn off bobbins to form the warp of the web: warping-frames, 1909. 'The Romance of Cotton: Cottage to Great Factory'. The Device That Winds The Yarn Off Bobbins To Form The Warp Of The Web, Warping-Frames. Warping is a comparatively simple though all-important process. It arranges the threads in parallel order to conmpose a warp for the loom'. From "Illustrated London News", 1909.
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