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 127
~-Hub Core /■Rrm Core ood- … Flange CoreFoundry Floor Fig. 191. Section of Cored-Arm Pulley Mold core box should be about | inch, and the other dimensions are givenin Fig. 189. Two patterns for the flange will be made, one to be nailed inplace in the core box, and one to be used to mold the upper insideflange. Strike. The…
Patternmaking
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