American School of Correspondence · Chicago, American school of correspondence · leaf 371
nt roll is driven from thetwist gear, as already described, but when it runs in, motion is com-municated to the front roll, from the carriage shaft, through the gearsof twenty-two, fifty and seventy teeth (Fig. 222) by the pawl engagingthe teeth of the roller motion gear. 329 288 COTTON SPINNING…
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