Hummel, J. J. (John James), d. 1902 · London : Cassell · leaf 127
6—8 per cent, of the wool tobe bleached) is placed in an iron pot in one corner of the Chap. VII.] WOOLLEN CLOTH BLEACHING. 113 chamber, and ignited by inserting a hot iron ; the chamberis then closed, and the moist yarn is left exposed to theaction of the gas for six to eight hours, or even… … Fig. 39.—Sulpliur Stove for Woolleu Cloth Bleaching. material—e.g., merino, ifec.—the operation is preferablymade continuous, by adopting the arrangement of stoveshown in Fig. 39. It is provided internally with awooden frame, having rollers above and below. Theroof should be lined with lead, and…
Dyes and dyeing
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