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 (1916)
Ritchey, James, Monroe, Walter W. (Walter William), b. 1869 · Chicago, American technical society · leaf 146
Fig. 232. Sectional View of Pattern and Template for Globe Valve halves must be of sufficient length to allow for gluing at each end.In turning, the greatest care must be taken to center exactly on theparting line of the two halves. 130 PATTERN MAKING Use of Template. A carefully shaped template,…
Patternmaking
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.