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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 138

An illustration from 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, leaf 138
connecting plateflush with the parting sideof each half of the pattern.This, however, will be nec-essary only when patternsare large and heavy, or whenunusual strength is required. Core Box. The core box for this pattern, as will be seen inFig. 208, is the usual half box and is made by working out… … Fig. 211. Method of Turning.Up Elbows 122 PATTERN MAKING whole is then glued and screwed to the board c, and the two triangu-lar blocks d and d are glued in the angles to add strength to thecompleted box. In case the pattern is for a very small pipe, \\inches or under, the part b may be abutted…

Patternmaking

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