Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 113
o thatthe segment may set straight against the flange of thewheel. I once had a little experience with some of these seg-ments. When the first lot of those in Fig. 131 werebeing fitted on the wheel, it was found they had straight-ened somewhat, just as represented by the dotted lines;it was evident… … Fig. 129 MAKING SHEAVES FROM CORE BOXES. PATTERN MAKIXG, 65 When there is a number of these sheaves to make,instead of closing the top with slab cores, as I haveshown, it would pay to make a cast iron half ring wdthwhich to cover the top. This half ring should have anumber of spikes on one side,…
Patternmaking
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