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 403
times ordinary coal is used.A furnace u.sed for heating small work for manufacturing is shownin Fig. 167. This may be used with either ordi.iary coal or coke. FORGING 93 Gas Furnaces are used wlien an even heat is wanted, particularlyf.ir hardening and tempering. For manufacturing woriv the… … Fig. 168.to be heated to the right temperature as they pass through the furnace.Such a furnace is .shown in Fig. 16S. A simple gas furnace for allaround work is shown in Fig. 169. ReAerberatory Furnaces. A reverberatory or air furnace isa furnace in which ore, metal or other material is e.xposed to…
Mechanical engineering
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