Cotton mill processes and calculations. An elementary text book for the use of textile schools and for home study (1899)
Tompkins, Daniel Augustus, 1851-1914 · Charlotte, N.C., The author · leaf 54
lap heavier. If he were called upon to make a64 grain sliver, he would know that the change of onetooth in draft gear to 14 would reduce weight to about60 2-3 grains, and so he would not disturb the card, butwould make the lap Hghter. 39. Before the introduction of coders and cans, thewebb from… … 44 condensed and drawn out and delivered into cans. Underthis arrangement it was necessary to compute the draftof card from the weight of shver as it was deHvered fromdoffer, instead of, as in (36), from the condenser rolls. Thishas led to a general idea that drafts on cards of all kindsmust be…
Cotton growing · Cotton manufacture
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