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 88
nd mallet,smoothed with a round plane ofproper size and curve, and finishedby sandpaper rolled on a cylindricalblock having a diameter ^ inch lessthan the width of the required box. As the work progresses, the ac-curacy of the curve is tested by .means of a try-square or other 90-degree angle, as… … Fig. 142. Layout of Box before Gouging CylindricalSection
Patternmaking
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