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 452
e rags are the most valuable, because theresulting yarn can be used both in the undyed and dyedcondition. The mixed colours form the lowest class, sincethey can only be used up for dark, e.g., brown or black goods. 3. According to quality, rags are classed as good, mediumand poor, or fine, medium… … ^^ Fig. 274.—Rag Shaker (vertical section). such as are very badly worn are thrown out, if this has notalready been done—as it usually has—by the dealer. III.—Trimming the Rags. This operation, which always accompanies sorting, consistsin removing the useless portions, together with such parts as…
Textile fibers · Spinning
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