Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 148
ion. Fig. 163. There is nothingto prevent the pattern from being parted on line A B,that is as Fig. 164 shows, but this would necessitate set-ting the cores in the mould in not quite so good a wayas they can be, by parting the pattern on C D, andmoulding it as represented in Fig. 166. Not much… … PATTERN MAiaArc. g^ The flanges arc inserted in a groove in the samemanner as shown in the article on plug valves. Figs. 167 and 168 are two views of the core-box forvalve chamber c and outlet b in Figs. 163 and 164, whileFigs. 169 and 170 are two views of the box for the inletd, and the space e…
Patternmaking
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