Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 414
t about through the aidof certain oxides, such as those of silicon, aluminum, and iron.The exact way in which these oxides act is not clear, the suppositionbeing that they act as a catalytic agent. Artificial graphite is nowproduced in many different grades and the number of its uses issteadily… … Fig. 34. Graphitized ElectrodesCourtesy of International Acheson Graphite Company tory brick. When charging, a layer of carborundum sand is firstplaced on the bed to protect it from fusion. The charge is then filledin up to the lower portion of the electrodes. It consists usually ofanthracite coal,…
Electrical engineering
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