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 (1921)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 83
s-section through the patternof the shape and dimensions shown in Fig. 135. \Mien accuracy is required in testing bars—1 by 1 by 36 inches,and seldom finished—they are often molded partly in the cope andpartly in the drag, as shown in Fig. 136, the parting being on thehne ab. In this position the…
Patternmaking
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