Garment dyeing and cleaning : a practical book for practical men (1901)
Hurst, George H · London : C. Griffin & Company, Limited · leaf 29
Fig. 4.—The silk moth. THE TECHNOLOOT OP THE TEXTILE PIBRBB. 19 weak solutions of alkalies, or of soap; this process constitutesthe operation of boiling off, during which there is a loss of from25 to 30 per cent, of the weight of the raw fibre, but the latteris left more pliable, softer, and… … Fig. 5.—Silk fibres. cemented together side by side by the silk gum or sericin(Fig. 5); these fibres do not appear to possess any structure andhave a solid rod like form. When the silk is boiled off and thegum removed, then the two portions of the silk fibre tend toseparate from one another. The…
Dyes and dyeing · Cleaning
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