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 234
Fig. 373. Split Pattern for Cast-Iron Roll … Fig. 374. Core Box for Making Roll by First Method Pattern, The split pattern illustrated in Fig. 373 is constructedof wide lagging nailed and glued to heads. The core prints areassembled as separate members and fastened to the body of the 216 PATTERN MAKING pattern with wood-screws. The pattern is…
Patternmaking
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