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 146
Fig. 231. Appearance of Pattern for Globe Valve is done in the lathe. The construction is shown in the sectionalillustration of the half pattern, Fig. 232. The wood for the two
Patternmaking
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