American School of Correspondence · Chicago, American school of correspondence · leaf 215
ris shown by the relativ e positions of a dark spot marked upon thegears in Figs. 127, 128 and 120. 189 150 COTTOX SPINNING. The completion of the revolution of the cams is shown inFig. 130. The cam roll has moved from C back to A and thenose of the cani, A^, has come into contact with the cam… … Fig. 131. Elevation showing Lifting Cam. cam, the pawl will drop into notch IV. The point, marked by thedark spot, has advanced in the same proportion as the notchedwheel, as will be seen by its position above the pinion. The detaching rolls turn backwards at about 1|^ by the tim-ing dial and…
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