American School of Correspondence · Chicago, American school of correspondence · leaf 297
in onehand (840), the number of inches per yard (36), the twist per inch(2.25), the number of roving (3.5), and the number of ounces of cottonupon a full bobbin (10), and divide this product by the number ofrevolutions of the spindles per minute (1250) multiplied by the numberof ounces in one pound… … FRONT ROLL l^oiA. Fig. 187. Diagram of Draft Gearing. run per day (10), less 109^, and divide this product by the number ofminutes occupied in spinning one set plus the number of minutesrequired to doff a set (15). 60X9 Example: 4.02 119.07+15 Rule 11. To find the production in pounds of a day of…
Textile industry and fabrics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
