Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 119
c z< c 1 1 rr.. 3 A- … When this is finished, a loam-plate or ring is laid down to carry the outer case or cope, as shown inFig. 2392. This cope is built up of brick and loam, with an inner facing of loam worked carefully tothe turned thickness; it is then thoroughly dried, and lifted off carefully from the nowel. This…
Mechanical engineering
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