Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 540
chhas the ordinai-y appearance of a flame,and is reddish; that the positive carbon isbrighter than the negative, and that agreater length of it is luminous, indicatingthat its temperature is higher ; that thepositive carbon is hollowed out in the formof a crater, from which the brightest light… … Fiu. 445] ELECTRIC ARC 519 carbons, and it is clearly seen that matter is carried from thepositive to the negative carbon. The temperature of the arc is very high, and difficultly fusiblesubstances, such as platinum, melt easily in it. Hence a permanentarc can only be produced with rods of carbon.…
Electricity · Magnetism
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