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 150
gs shouldbe added to the upper part of the core box to align the two partswhile ramming the core, as sho^Tiat 6, Figs. 233 and 234. Thelov/er part of this core box, asshown, is to have projections caston at a so that this half can beused for holding the core sandduring the baking process. Sev-eral… … Fig. 237. Assembled Vicv, of Dry-Sand Core
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
