Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 206
r way to the furnace. The Siemens furnace has been modified in many ways and much improved in its details. A good example of an open hearth furnace, as planned by the late Mr. Bernard Dawson, is shown on page 165. It centers in a large hearth built of refractory materials, upon which the metal is… … Pearlite, magnified about750 diameters. Steel containing more than nine-tenths of one per cent of crystalsof pearlite, surrounded by en-velopes of cementite(Fe3.C). Magnified200 diameters.
Inventions · Inventors
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