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Abstract
It is shown how the performance of 64s wool oiled with different amounts of Topsol varies in combing, drawing, and spinning. In the assessment of the effect of the amount of added oil. processing was done on both the A.S.D. and conventional spinning systems, stored and freshly oiled tops were processed, and laboratory as well as mill trials were made. The performance factors investigated were combing tear, fibre breakage in combing, neppiness of tops, roving levelness and drag, end-breakages in spinning, yarn irregularity, and yarn strength and extension at break.