30 (#64) ############################################## WOOLLEN AND WORSTED SPINNING Having decided upon the speed of the main cylinder the other cylinders will be speeded from this on the lines laid down in Chapter II. The interesting arrangement of the workers and strippers in the Fearnought (worker preceding stripper) and the similar speeding should not be passed unnoticed. Reference has already been made to conveyer tubes (Fig. 8c). Owing to faulty construction in both machines and tubes, a prejudice has arisen in the minds of some manufacturers against these. In view of the necessity of treating many blends ranging from white to black; and occasionally from all-wool to cotton and wool, in the same machines and conveyers, it is obviously neces- sary to be able thoroughly to cleanse out both machines and conveyers. Willows, Fearnoughts, and conveyers should be so constructed that this may be readily done. In Fig. 9 a good arrangement of a blending room is given, from which it will be gathered that- (a) A space should be reserved large enough for the building-up of wool-stacks of any and every required size. (6) Arrangements should be made for satis- factorily preparing the various materials for blending without interfering with (or contaminating) any other blend in process of completion. (c) Distributing trunks from the Willow and Fearnought should be so arranged that the stack can be built up from the Willow or Fearnought without any handling other than feeding-on-proportion by pro- portion—to the feed sheet of the machine. (d) Suitable arrangements should be made for oiling where necessary. 32
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