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 113
us spaced, draw radial lines connecting them with the center orintersection of the six arms. These radial lines, shown dotted inFig. 178, are the center lines of each arm. Saw of! the ends of the arms on the above 20^-inch arcs, andfrom the center again draw on the six arm pieces a third… … Fig. 178. Layout of Arms for Fig. 177 PATTERN MAKING 97 the web measure J inch on each side.; connect these points from webto rim, and the arms will be If inches wide at web, and 1| inchesat the rim» These lines are shown by the dotted lines in Fig. 178. Thewidth of the ends of the arms passing…
Patternmaking
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