Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 323
a large casting requires more metal than can be melted in asingle crucible, several furnaces mu.st be u.sed and the contents of theirvarious crucibles assembled into one large pouring ladle just beforepouring. 283 130 FOUNDRY WORK Gas or Oil Furnace. Witli the development of natural gas andcrude… … Fig. 135. Section Through Oil Furnace. has tandem melting chambers with burners at the end, which may beused separately or both together. The waste ga.ses from the i)ath ofliquid metal are used to heat up a fresh charge in the other chamber.
Mechanical engineering -- Dictionaries
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