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 203
.Fig. 311. Drag Machine with Pattern in Position to Make Mold1^ … ^^Dra*y^Plate Fig. 312. End Elevation of Pattern Equipment for ReJd Hand-RammedStripping-Plate Machine PATTERN MAKING 185 the machine-molded castings, the castings and the hard-woodbearings are literally thrown together. Molding Machine, In Fig. 310 is illustrated the drag machine,and in Fig. 311,…
Patternmaking
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