Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 92
et. The lowerpart of rim is made in green sand, a segment patternbeing used to form it. This segment pattern is shownto the left in Fig. 120, H being a section of it. Twobattens, a, b, are screwed on, which run to the center,the ends being cut to fit around the spindle. The lugs at the joint, for… … d ^.. Fig. 134*
Patternmaking
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