Fig. 36. Cotton plait. which go through many combing processesto straighten the fibres and keep themeven and parallel. Worsted yarn cannoteasily be adulterated, but woolen yarn isfrequently adulterated both in the earlierand later states. … Fig. 40. Flax brake. Woolen Burrs and vegetablefibres are removed by achemical process calledcarbonizing. An acidand heat are applied.This burns out the vege-table fibres, but leavesthe wool. Worsted Burrs are removed bya machine consisting ofrollers which so moveagainst each other asto knock the…
Textile fabrics
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