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 109
own in the drawing.The ends of the arms which enter the rim should be, in this case,If inches wide, and the sides are drawn parallel to the radius whichmarks the center of each arm. The curves which connect the armsat the hub must be drawn of such radius as to make the curve tan-gent to the circle… … Waste Stock Fig. 172. Stock Prepared for Band-SawingSegments to the edge of the arm and to the 8f-inch circle which marks •£$ inchless than the inside diameter of the rim, as shown at cc. Having laid out the arms as above, and as outlined by thedotted lines in Fig. 171, saw them to shape and,…
Patternmaking
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