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 125
Fig. 188. Section of Hub Core Box The arm b is planed to the required form of half the arm. Thesethree parts are shellacked in the same manner as described before,and are fastened into the core box with wood screws. Be sure thatthe arm is central in the core box. … Fig. 189. Indde Flange Core Box Hub=End Core. The pattern for the ends of the hub receiveour next consideration. The arm core box was made 3| inchesdeep, so there remain 4| inches of hub outside the arm core box oneach side, allowing \ inch for metal finish on the ends of the hub, asindicated in…
Patternmaking
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