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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 123

An illustration from 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, leaf 123
ints dimensioned according toFig. 184, unless they require a change in size due to extreme lengthand weight of the core, or to some special process of molding. Large Cored Pulley Molding Method. For the larger sizes of cast pulleys, includingspur gears, rope sheaves, and balance pulleys, the… … Fig. 185. Dimensions of Cored-Arm Pulley clamped between the arms, and clamped through the arms, areadaptations of the same process. Arm Core, First prepare an arm core box, Fig. 18G, whichshows the core box with the near side removed so as to exhibit thehub and arm pattern in place. This box…

Patternmaking

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