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 220
Fig. 348. Drag Pattern eg, Fig. 347 … CorePrints Fig. 349. Master Pattern for Part clt Fig. 348 Connecting the link j and ji by the arms I and h to diametricallyopposite points on the disk k transmits an opposing motion to linksj and ji, moving the parts cc away from each other, pressing the 202 PATTERN MAKING mold to the form desired,…
Patternmaking
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