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 240
r the two sprues L ring is finished to a bevel to fit the centering ring m, Fig. 384, sketch of the pattern for this ring is shown in Fig. 382. The mold plate j, illustrated in Fig. 381, can be used for bothdrag and cope molds. PATTERN MAKING 221 Inside Core. Fig. 383 illustrates the wooden core… … 11 I •••••■•>■.:•• 11-->:^\ c; ;;•.-,
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
