American School (Chicago, Ill.), Nelson, H. William (Hector William), b. 1869 · Chicago : The School · leaf 37
WEAVING. 103 Fig. 68 shows a loom with the cams fixed at the side of the loom. The harnesses are connected with the quadrant lever, which is fixed to the supporting bar. A small arm is fixed to the back of the supporting bar, but at one end. A rod connects the arm with the treadle. The cams are on… … Fig. 68. Loom with Cams on the Sides. and through an intermediate it imparts motion to the cam gear. This gearing is set for a four-harness twill, whether one up and three down, or two up and two down. (See cam in Fig. 69.) As explained in the construction of cams, one revolution of the cam equals…
Weaving
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