Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 210
r- 749. COWLES ELECTRIC FURNACE.—A cylinder, A, ismade of silica or other heat-resist-ing material. A carbon plug, C,is connected with the positive wire,and a graphite crucible, D, answersas the negative electrode and stop-per, also as an exit for gases generated in the retort; B, a bed…
Mechanical movements
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