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 46
Fig. 65. Brown and Sharpe Fig. 66. Plain Trammel Points Spring-Joint Dividers the pen, pencil, straight and bent points, and the cone center, asshown in the cut. Calipers. Calipers, like dividers, are made in many differentforms with and without screw adjustment. Fig. 69 illustratesthe…
Patternmaking
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