Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 60
ine; one cus-tomer will want a band wheel for his engine and anothermay want a fly wheel with square rim, and because ofthis, it is proposed to make the same arm core-box, withchanges, do for both wheels. Fig. 74 is a section of amould for a square rim wheel; it will be seen that thelower and… … j ^ Fift. SO. ^ Fuj. SI. FLY WHEELS, PATTERN MAKING. 37 with it; this makes a level surface on the inside, onwhich to set the cope cores shown in Fig. 74. A pin isput through the end that fits over the spindle to preventit from getting away. Fig. j6 is a section of the mould for the band wheel;the…
Patternmaking
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