Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 42
ed to come one in each socket, and in the printbetween A and B, as marked. Fig. 25 represents thecore-box, and, like the pattern, most of the work can bedone in the lathe and the parts joined together, as shown;a piece screwed on the back will hold the parts to-gether. The core is generally made in…
Patternmaking
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