125 (#179) ############################################ WOOLLEN YARN SPINNING tion or peg, l, Fig. 40, on the “slubbing-wheel," which, according to its setting, disconnects the delivery rollers and condensed sliver drums from the driving power. (6) During this delivery from the delivery rollers the mule carriage should recede as quickly as possible simply to gain time during this period of the spin when there is little or no strain upon the sliver or yarn being spun. This movement is carried from the power by means L Fig. 40.--Illustrating Condensed Sliver Control Delivery of the drawing-out change pinion D, Figs. 41 and 42, through a convenient train of wheels (for control of speed purposes) to the drawing-out scroll shaft E (Fig. 42). Thus the design of the scroll on shaft E controls the variation in the speed of the carriage from start to finish of the draw; and the change wheels D control the speed of the carriage in accomplishing its complete traverse in relation to the speed of the power- shaft and consequently in relation to the twist put in 125
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