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 223
aning, turning, and file finish where needed. The core box, one side of which is shown removed so as to show its construction, is intended to make two cores which when pasted, will make the core as used in the mold. The surface on the pattern enclosed by the dotted line at r shall be shellacked to…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
