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 337
be in pounds. TEHPERATURES From Late Scientific Investigations. Degrees Fahrenheit Bright iron becomes Core ovens—approximate 250 to ( Yellow J Purple ) Indigo ( Gray Tm melts Mercury boils Lead melts Zinc melts Silver melts 1 Copper melts 1 Gold melts 1 ( a dark room just visible Iron bar red in ^… … AUTOnATiC APPLIANCES FOR HANDLINGCOAL AND IRON ORE. T)nrin<i; tlie ])ast (|uarter of a century there has been a rapid.contiiHioiis, and truly plienometial develof)rneiit in the ineans andmethods for handliufj^ coal and iron ore in tlie transit from mine tofurnace, or, in otlier words, from…
Mechanical engineering -- Dictionaries
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