ts. The molder completes thepattern by laying down one of these boards on the bench,with the pieces all fastened in place, puts on sand, fillingup the spaces, and then passes the strickle over it, thusmaking a smooth surface the same as for the core. Theother half is made the same way. When the… … Fig. 81. plate, over which a blacksmith or boiler-maker may bendor form a plate of wrought iron or steel. Instead of mak-ing a complete pattern, which would be a slow andexpensive process, a frame is made as shown, and halvedtogether at the corners. The rest of the pattern will bemade by the…
Patternmaking
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