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 228
will be a short lengthof cast-iron pipe, 72 inches long, 6 inches inside diameter, andflanged at one end. The construction of the pattern will not beconsidered, as it is a parted pattern with a detachable flange similarto that considered before. In fact there is no difference in the pat-tern used… … Fig. 363. Iron Core Box for Green-Sand Core
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.