Dingey, Peter Spear. [from old catalog] · New York, J. Wiley & sons · leaf 121
ach boss in a blockwith a hole through it the size of the boss; two views ofthis block are seen in Fig. 137. The boss is fixed inthe hole D, and sawed to the shape of the inner part ofrim. Of course, the block is fitted over the rim first, toact as a guide for sawing them out. The core-box for the… … Fig. 144.
Patternmaking
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