Woodwork for secondary schools; a text-book for high schools and colleges, prevocational and elementary industrial schools (1916)
Griffith, Ira Samuel, 1874-1924 · Peoria, Ill., Manual Arts Press · leaf 343
e mold. The most com-mon of these are the straight, the balanced, and the stop-off. A simple horizon-tal core. Fig. 535, hasits ends supported onthe opposite sides ofthe mold. Horizontalcore-prints should bemade long enough togive the core a solidbearing in the mold.They should be aslong as their… … Fig. 539. Core-Print Detail. PATTERN MAKING. 339 Since the molding sand beneath the core is liable to dis-tortion under the weight of the core, causing damage tothe mold thru floating sand, a small fillet is turned at thejunction of print and pattern, Fig. 541.
Woodwork (Manual training)
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