American School (Chicago, Ill.), Nelson, H. William (Hector William), b. 1869 · Chicago : The School · leaf 39
WEAVING. 105 The cams for the roll top motion are fixed on an auxiliary shaft and the shaft receives motion from the pick cam shaft. The same rule applies when calculating the gears that drive the cams, except … 0 0 ^ 6 □DDD Fig. 70. Roller Motion. taking into consideration the shaft from which the power is derived. The pick cam shaft travels half the speed of the crank shaft, so that two picks of the pattern are placed in the cloth while the pick cam shaft revolves once ; thus the gear fixed to the shaft…
Weaving
Internet Archive · Claire T. Carney Library, University of Massachusetts Dartmouth · Public domain (published before 1931). Free to use for anything.