. Cyclopedia of textile work : a general reference library on cotton, woollen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects . oose cot-ton is seldom bleached, since about the only finishing productscontaining cotton in this state are wadding and lint, and there isusually no necessity for bleaching these. Special cases, however,come up from time to time, as for instance the production of apure white single yarn for filling in cloth that cannot be bleached,for which a varying amount of bleached cotton is required, and thedyer or
. Cyclopedia of textile work : a general reference library on cotton, woollen and worsted yarn manufacture, weaving, designing, chemistry and dyeing, finishing, knitting, and allied subjects . oose cot-ton is seldom bleached, since about the only finishing productscontaining cotton in this state are wadding and lint, and there isusually no necessity for bleaching these. Special cases, however,come up from time to time, as for instance the production of apure white single yarn for filling in cloth that cannot be bleached,for which a varying amount of bleached cotton is required, and thedyer or bleacher should know how to meet these demands. Cotton bleaclicd in tlie lodse state invariably gives a betterwhite for the same amount of treatment than yarn. This is prob-ably due to the fact that the yarn has taken up oil and dirt during 108 TEXTILE CHEMISTRY AND DYEING. 99 the spinning. The great drawback in bleaching raw cotton on alarge scale is the manner in which wet cotton mats and wads to-gether. iV specially constructed kier having perforated dia-phrams would liave to be used, and it is extremely doubtful if thebetter bleach obtained would be of sufficient advantage to coun-. w^yyyyyy/yyy^^^^^^
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