A manual of dyeing: for the use of practical dyers, manufacturers, students, and all interested in the art of dyeing (1919)
Knecht, Edmund, 1861-1925, Loewenthal, Richard, Rawson, Christopher · London : C. Griffin · leaf 163
ame principle is adopted in the curlingof worsted yarns used in the manufacture of imitation astrachan and otherfabrics. To obtain this effect the yarn is twisted as tightly as possible, tiedin this position, and boiled in water. On cooling and opening out, it is foundto be curled. The scouring is… … Fig. 43.—Stretching frame for worsted yarns. wooden vessels, heated by steam, capable of holding on an average 100 lbs.of yarn. The hanks are suspended in the soap solution on sticks which lieacross the vat, and are turned two or three times, after which they are takenout and washed in water to…
Dyes and dyeing
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