American School of Correspondence · Chicago, American school of correspondence · leaf 191
ends upon their weight and the Avidth of the lap to be made.In the earlier types of these machines, the laps were made 7 to 9inches in width but the present ones are built to make a lap 10to 11 inches wide. This will require fourteen to twenty slivers, 167 128 COTTON SPINNING. and, as the laps must… … tion in Fig. 108. From the cans, A, the slivers are drawn overthe stop-motion spoons, B, and through the guides, C, and betweenthree pairs of draft rolls, D, E and F, wheie they are subjected toa slight draft, from two to three usually being sufficient, as all 168 COTTON SPINNING. 129 that is…
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