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 96
tity as to fill the latter. As the drop falls the blow forces the material into all the recesses of themould, of which the exact shape is reproduced. It is quite common to place the hot metal above 22T6. 2278. … the die and drive it down, doubling it up, so to speak. This is bad practice, as the air in the diebecomes tremendously compressed, and forces its way out, scoring the cast-steel of the latter almost HAMMERS, STEAM, DIRECT-ACTING. as sharply as if done by a file. Again, but a single blow should be…
Mechanical engineering -- Dictionaries
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