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Wood pattern-making; the fundamental principles and elementary practice of the art (1906)

Purfield, Horace Traiton · Ypsilanti, Mich., The Scharf tag, label & box co. · leaf 45

An illustration from Wood pattern-making; the fundamental principles and elementary practice of the art, 1906, leaf 45 — Clement Universal Sander CHAPTER V. FILLETS Sharp corners on a casting, whether inside or out-side, generally detract greatly from its appearance, andalso, in the case of internal angles especially, injure itsstrength. This being the case, sharp corners must beavoided in the pattern, as the casting…

Patternmaking

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