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 179
Fig. 273. Draw Pieces for Core Box 160 PATTERN MAKING … the stock reversed, and should be cut to the form shown in Figs.275 and 279. The small blocks or lugs are so placed that they cen-ter the bottom with the sides. This bottom can be centered withthe sides by dowel pins in holes drilled through the flange. How-ever, as the bottom and top should extend…
Patternmaking
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