Textile raw materials and their conversion into yarns : (the study of the raw materials and the technology of the spinning process) a text-book for textile, trade and higher technical schools, as also for self-instruction ; based upon the ordinary syllabus and curriculum of the Imperial and Royal Austrian weaving schools (1901)
Zipser, Julius, Salter, Charles · London : Scott, Greenwood · leaf 398
performed by one or otherof the throstle frames, vi::., the ring frame and the fly frame. (a) The Ring Doubler. A vertical cross section of a double-ended ring doublingframe is shown in Fig. 246. The four single yarns, a\ a-, d^, a^ to be united to a four-ply TEXTILE RAW MATERIALS. 391 twist are… … Fig. 246.-Double Ring Doubling Frame. spindles, the threads first passing over a plush-covered woodenguide rail, d, which smoothens and cleans them. From this 392 TEXTILE RAW MATERIALS. rail they are led downwards through the guide wire eye, e, tothe feed rollers,/ g, and thence through the guide…
Textile fibers · Spinning
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