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 83
s-section through the patternof the shape and dimensions shown in Fig. 135. When accuracy is required in testing bars—1 by 1 by 36 inches,and seldom finished—they are often molded partly in the cope andpartly in the drag, as shown in Fig. 136, the parting being on theline ab. In this position the… … PATTERN MAKING PART II CONSTRUCTION OF PATTERNS SIMPLE TYPES Conditions of Procedure. Whenever the building of a patternis consigned to the pattern maker, a detailed sketch or drawing ofthe completed casting should be furnished; also information regard-ing the number of castings that are required.…
Patternmaking
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