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 202
Section S-S Fig. 308. Working Drawing of Holder Frame that Requires Side Draw molding, the conditions presented by the hand-molded patternsmay be briefly considered. The working drawing, without dimen- PATTERN MAKING 183 sions, of a holder frame is illustrated in Fig. 308; and in Fig. 309is a view… … Fig. 309. Original Gated Patterns, Showing First Attempt to Increase Produc-tion. They Require Dry-Sand Core for Each Casting. With Machine-Mounted Patterns, Entire Mold la Alade in Green Sand
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
