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 240
11 I •••••■•>■.:•• 11-->:^\ c; ;;•.-, … -^kAfi ySh^fi cwi^riA<j ring .:.•;-•..■:■:••. J ■*•• • -» ^ -Dry .saru/ cares Fig. 384. Section of Complete Mold i Drq sand cort •~Dr3.<j fl<xs,k mounted on a faceplate and turned true on the inside and on theends. A very slight draft—about x^ ii^ch—should be allowed onthe inside, and the…
Patternmaking
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