Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 272
e bottompart or core is knocked out of the casting by the edge; lastly, the two sides are pulled asunder bytheir handles, and the casting is removed from the one in which it happens to stick fast; but it requirescautious handling not to break it. The face of the mould is slightly coated with red… … Most of the works made in the very useful material, pewter, are cast in gun-metal moulds, which re-quire much skill in their construction ; thus, a pewter tankard, with a hinged cover and spout, consistsof six pieces, every one of which requires a different mould. Thus :— 1. The body has a mould in…
Mechanical engineering
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