American School of Correspondence · Chicago, American school of correspondence · leaf 303
the presenthank, and divide this sum by the required hank. Example: ^?52iM =. 27.31 Rule 14. To find the twist gear for 6 hank roving: ■ (Twist gearfor 3.5 hank, 40 teeth.) Find the square root of the present twist gearsquared, multiplied by present hank, and divide this sum by therequired hank.… … S .a COTTON SPINNING PART V SPINNING In the final process of forming the cotton into yarn, there aretwo wholly different types of machines used, the ring frame and themule. The ring frame is used more extensively than the mule, owing toits simplicity and the cost of operating being less. While the…
Textile industry and fabrics
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