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 154
r ends of the two steam-inlet coresand the central exhaust-passagecore are placed. Q is an endview of the box with one endremoved-, and i? is a view look-ing into the box from above. Exhaust Passage. For thecore forming the exhaust pas-sage, two half-core boxes, oneright and one left will be… … Fig, 250. Exhaust Port Core Box 138 PATTERN MAKING Inlet Passages. Only one core box will be needed for the twosteam ports. Three views of the box are given in Fig. 251. AtGone side is removed, giving a side view of the construction of the box.H shows a cross-section through G with the end u…
Patternmaking
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