Mechanical appliances, mechanical movements and novelties of construction; a complete work and a continuation, as a second volume, of the author's book entitled "Mechanical movements, powers and devices" ... including an explanatory chapter on the leading conceptions of perpetual motion existing during the past three centuries (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley Publishing · leaf 304
795. PLATE HARDENINGMACHINE. Urbans type. Foruniformly hardening steel platesand armor plates without risk ofbending or buckhng. For this purpose, the heatedplate, a, is lowered until it restsvertically between guides midwaybetween two tanks, b, h, havingnumerous perforations in theirsides next to…
Mechanical movements
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