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 308
around the circumference. COG-WHEELS. See Geering. COINING MACHINE. Figs. 893 to 903, are elevations, sections and details of a machine forstamping money, invented by M. Thonnelier, and combines economy with perfection of workmanship, du-rability of the machine, and safety to the operatives. The… … 302 COINING MACHINE.
Mechanical engineering
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