American School of Correspondence · Chicago, American school of correspondence · leaf 234
e pulleys, C, for driving each individual head. Theshaft, F, is in motion all of the time that the main line is running. 306 COTTON SPINNING 167 motion being transmitted to the tiglit and loose pulleys of eachhead by the belts, E. By this means the stopping of one head ina process does not affect… … Fig. 138. Diagram of Railway Head Draft Gearing. esses. The cans from F and H deliver in the same alley while thosefrom G deliver at the back of H. When one head is used in a process, it is referred to as a frameand .the underneath shaft is generally omitted, the frame beingdriven directly from an…
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