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 208
d skeleton core box being givenin Fig. 318. This was deemed necessary owing to the length of thedimension #i. At best, the pattern would be quite fragile. Thepattern for the part k, Fig. 319, should be made without acore print. The master pattern and core box for the part cf Fig. 320, whichis the… … to all surfaces. The sketch of the core box shows a constructionsimilar to that of those described in Part II, Pattern Making.The round hole at the lower end of thecasting is to be finished to slide easily overthe stool. Use of Stool, Whenever it becomesnecessary to strip an internal surface of…
Patternmaking
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