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 180
Loose PieceVig. 280. Perspective View of Core Box for Gate with Side Removed which IS shown in Fig. 286, and the core box for which is illustratedin Figs. 280 and 281. Core-Box Top. The top of the core box is made to the samedimensions as the bottom, but is made the opposite hand. Thegate p is to… … (Loose Piccc ^^^ /-JFig, 281. Details of Core Box for Gate rotation. The same core box can be used for both; consequentlywhat 13 the bottom of the core for the right-hand turbinebecomes the top of a left-hand turbine. The hooks for locking the box together, while ramming the core,are iron or…
Patternmaking
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