American School of Correspondence · Chicago, American school of correspondence · leaf 199
gear is from 47 to 62 teeth which givesa range in draft of 5.63 to 6.23. This is figured between theback roll, which is li inches in diameter, and the five inch calenderroll and can be found in the usual manner. 173 134 COTTOK^ SPINNINCt. The ribbon lapper occupies a floor space of 14 2 length by4… … Comb. After the laps have been formed on the sliver lapmachine, or the ribbon lapper, they are taken to the comb uponwhich the actual operation of combing is carried on. The combis divided into either six or eight heads, or sections, a six-headedcomb being most generally used. 174 COTTON SPINNING.…
Textile industry and fabrics
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