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
A 1921 technical manual on foundry pattern making by James Ritchey and Walter W. Monroe, issued in Chicago by the American Technical Society for apprentice and working pattern makers in wood shops and machine trades. The 333 figures are line engravings of joints, clamps, gear and molding-machine parts, with dense hatching used to render wood grain, dotted hidden edges and small letter keys \u2014 a source of woodgrain textures, sectional diagrams and mechanical shop hardware.
