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 102
Fig. 159. Small Sheave Pulley … Fig IGO Section of Tattern for Sheave of cast aluminum, the shrink allowance should be based on. ashrinkage of | inch per foot. The wood pattern is called the masierpattern. A cross-section through the finished pattern for this casting isshown in Fig. 160. The groove is a semicircle 1 inch wide,…
Patternmaking
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