Pattern making; a practical treatise for the pattern maker on wood-working and wood turning, tools and equipment, construction of simple and complicated patterns, modern molding machines and molding practice (1916)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 233
inch less than the outside diameter … Fig. 371. Cast-iron Arbor of the core, and the thickness about | inclf. The outside circularedges should be chamfered to a thin edge, so as to prevent softramming under the flanges. The width q should be | inch lessthan the half circle, as it is required to have the sand rammed overthe top of the…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
