1 … Fig. 83 Fig. 84 made large enough so that two to four rings may bemade from the same casting, leaving plenty of stock forfinish. A good allowance for this is about one-fourthinch on each surface. The reason for this extra allow-ance is that these rings being comparatively small incross section, the…
Patternmaking
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![An illustration from [New illustrated catalogue of furniture and general price list] (1875)](https://img.insideoutlibrary.com/img/200/ia-newillustratedca00lave-73-159.webp)
