Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 206
p 749. « COWLES ELECTRICFURNACE.—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- ^ nMmA per, also as an exit for gases generated in the retort; B, a bed… … 750. ELECTRIC FURNACE, Cowleshopper model. The upper electrode is avertical carbon tube fixed to the hopper.The lower electrode is a larger carbon tubefixed to the furnace floor. The tubes arebanked with carbon and lime. The chargeis fed down from the hopper by a barbedrod, reciprocated by a crank.…
Mechanical movements
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