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 91
^ig. 147. Method of Removing Waste Stock 74 PATTERN MAKING … Finishing. Shellacking. Having completed the pattern and itscore box, the surface of the wood must be covered with some materialwhich will render it hard, smooth, and impervious to the moisture inthe sand, and at the same time make it easier to be withdrawn fromthe mold. Pure grain-alcohol shellac…
Patternmaking
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