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 69
Fig. 110. Completed Mold with Core in Place parted—^made in two halves—as shown in Fig. 106. Patterns forsmall work, and even for large castings, are often made in one piece,as shown in Fig. HI. To mold this solid pattern it is placed on the … Fig. 111. Solid Pattern for Cylinder molding board with sufficient sand to keep it from rolling, and thedrag is inverted over it as before. AYhen the drag has been rammedup, it is turned over, and will then present the appearance shown
Patternmaking
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