American School (Chicago, Ill.), Nelson, H. William (Hector William), b. 1869 · Chicago : The School · leaf 46
quiring more power to lift it. Relation of the Cone Pitch. Unless the cone is in proper proportion to the cam, uneven picking will follow. If the cone is too small, it locks in the hollow- of the pick point ; if it is not tapered to the right pitch, only a small portion of the cone is in contact… … Fig. 76. Circular Pick Cam. slightly inclined to the top. If too near the top of the cam when motion is imparted to it, the cone slides away from the point, and does not receive the firm blow that gives a good pick. When placed toward the back center of the cam, the point locks on the cone with…
Weaving
Internet Archive · Claire T. Carney Library, University of Massachusetts Dartmouth · Public domain (published before 1931). Free to use for anything.
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