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 151
Nut for valve Valve Fig. 241. Valve Stem Nut Fig. 242. Details of Valve and Valve Nut … Fig. 243. Valve Spindle. (This pattern is not split) Drying Ring. A pattern for the drying form or ring should bemade to the shape shown in Fig. 239, which is to be fitted into the PATTERN MAKING 13: core box at e. After drying the core, these rings are slipped endwisetoward the chamber and then…
Patternmaking
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