Woolen and worsted finishing; a practical manual of instruction in the methods and machinery used in finishing woolen and worsted goods in general, and the processes involved in the special treatment of all types of standard fabrics (1909)
American School of Correspondence, Timmermann, John F · Chicago, American School of Correspondence · leaf 315
t 80, while that on theright was spun with the humidity at 45,both being of the same counts. Theyarn spun at 45 humidity appears abouttwice as large as the one spun at 80, butthere is no difference in the counts of thetwo yarns. After the humidity was raised to 65and 75 it was almost impossible, in… … Fig. 1.Showing difference in appearanceof yarns spun at humidity of80 and 45. 280 THE EFFECTS OF HUMIDITY ON YARN 5 were probably not less than one hundred mountings of thesesamples made to test this difference, and over two dozen photo-micrographs taken from these mountings. It is necessary to…
Woolen and worsted manufacture · Textile finishing
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