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 86
lluiiiiiiiljijijjjiiiiliiis llillil i ^ i i! iiii!;:!! i iilMMIililliliUlHIIIlin … Fig. 137. Finished Bronze Bushing withFlange at Cue End Fig. 138. Plan and Elevation of Patternfor Bronze Bushing but the upper core print is given the excessive draft of ^ inch to itslength so that the cope can be easily liited off and returned againover the tapering end of the dry-sand core…
Patternmaking
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