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Excerpt from The Electric Furnace The very high range of temperatures attainable in electric furnaces has opened up a large field of chemistry which was not previously accessible. In the case of processes in which the electric current merely acts as a heating agent and is dissociated from any electrolytic action, products such as artificial graphite, the highly refractory metals in a compact form, and a large series of compounds of carbon with metals, have been isolated for the first time. In many cases these products have received an industrial application which has already ranged them in the forefront of the world's manufacturing processes. With other substances, notably certain classes of...
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