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 71
56 PATTERN MAKING which a single-piece pattern can be used, is shown in the journal-boxcap illustrated in Fig. 116. A cross-section of the pattern through twoof the bolt-hole core prints is shown in Fig. 117. The pattern isplaced on the molding board in the inverted drag, and is rammed
Patternmaking
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