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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

An illustration from 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, leaf 146
Fig. 229. Section of Globe Valve side may be very simple, the inside is intricate and requires con-siderable practice and skill to so construct the core boxes that thecore can be withdrawn from them, and at the same time give uni-form thickness and strength to all parts of the shell and to… … /2L*. Section Fi3 Fig. 230. Section of Valve Body it will be seen that almost the entire work, with the exception offitting, placing the dowel pins, and forming the two hexagonal ends,

Patternmaking

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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