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 107
gether. After fitting, and before groovingwith the saw kerf, the joints must be glue sized and, when dry, care-fully scraped smooth with a sharp chisel. The grain of the wood inthe tongues must run at right angles to or crosswise of the joint toinsure the greatest strength. Laying Out Arms. When… … Fig. 170. Five-Arm Hand Wheel PATTERN MAKING 91 From the same center describe a circle 3| inches in diameter,forming the web of the arms; and from this 3|-inch circle, taper thearms to \ inch in thickness at the ends, care being taken to planethe same amount from each side, and to dress the arms…
Patternmaking
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