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 104
n h which is to keep thetwo halves in alignment. The half pattern a isnow removed from the screwchuck, and the second halfh is screwed on and turnedin the same manner exceptthat the central projection is carefully turned to fit in the recessin a. Before removing h from the chuck, test by trying… … Fig, 105. Section Showing Joint of Sheave Tit tern PATTERN MAKING
Patternmaking
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