Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 105
ool-ing, the two thin flanges, ^ :r, cooling first and pulling thecasting out of its true circle; in the next, I took care toallow for this w-hen making the pattern. 64 PATTERN MAKING, When there is a number of these sheaves to make,instead of closing the top with slab cores, as I haveshown, it… … Fig. 135. MAKING SHEAVES FROM PATTERNS. PATTERN MAKING. 6$ MAKING SHEAVES FROM PATTERNS. There is not much scheming required to make a pat-tern for a sheave, such as shown in Fig. 132, and yet, toshow the way it should be made, may not be entirelyout of place here, as I want to bring in a few…
Patternmaking
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