Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 55
k. The center piece, /, Fig.46, should only be doweled on. Build up the core printsfor bore of cylinder, as shown, and turn a flat flUet onthem at y, Fig. 51. This will prevent crushing the edgeof sand when putting the core in and dropping on thecope. Turn these prints whole and saw in halves… … CCRLISS CYLINDERS. PATTERN MAKING. 33 they are such as the pattern maker will naturally runagainst; so let us leave the pattern and start in on thecore-boxes for the steam and exhaust passages, valvechambers, etc. It will scarcely be necessary to enter into the minordetails of making the…
Patternmaking
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