Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 469
d upsidedown, and the top half of the pattern is placed upon that already in the nowel. Two dowels areprovided to insure that the two half patterns shall coincide all around their edges. The cope is thenplaced upon the nowel, and to maintain it in its proper position and enable its removal and…
Mechanical engineering -- Dictionaries
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