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 152
Fig. 244. Section through Slide Valve Cylinder inches or over, a loam mold is usually made, as is fully described inthe section on Foundry Work. The size limit, how^ever, variesgreatly in different foundries.
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
