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 227
d holes are to be drilled in the draw plate through whichthe steel draw rods k will pass. Open springs are placed on the draw rods between the patterng and the draw plate, and they should be capable of holding thepattern g in place until the hub ^ with the jaws/ have been stripped,when the…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
