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 311
ices. A thin plate is interposedbetween the two matrices, and is pierced with a number of holes equal to that of the stamps; its use 304 COINING MACHINE. is to keep the pieces to be stamped in connection with the stamps; this plate is made of steel, havingits surfaces even, and an equal thickness… … CONDENSER. The usual modes of condensing steam, where it is used as a motive power, are byallowing it to escape into the air; by injecting it into a vessel or vessels which are kept at a low tem-perature by immersion in cold water, or a current of air, the steam being cooled by contact with the…
Mechanical engineering
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