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 219
fig. 346. Master Pattern for Cope Pattern c.Fig. 345 … Fig. 347. Assembled View of Mechanism for Drag Machine shown in Fig. 345. Core the holes in the stripping plate by thesame method as used before. An illustration of the cope master-pattern c is shown m Fig. 346. That portion of the pattern abovethe dotted line is above the top of the stripping…
Patternmaking
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