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 45
e, hav- 30 PATTERN MAKING ing the brass face with two projecting ribs, enables the operator torun a gage line with perfect steadiness and accuracy around curvesof any radius, either convex or concave—a feature much to bedesired in a pattern-makers gage. Dividers.- The ordinary woodworkers dividers… … Fig. 63. Common Wing Dividers
Patternmaking
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