The inventions, researches and writings of Nikola Tesla : with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas C, Tesla, Nikola · The Electrical Engineer · leaf 375
filament is brought to incandescence with in appreciable currents , and we are able to take a short and thick block of carbon or other material and bring it to bright incan descence with a current incomparably smaller than that required to bring to the same degree of incandescence an ordinary thin… … Fig . 187 . Fig . 188 . tending . In the art of incandescent lighting , to view this result in one aspect only , it has been commonly considered as an essen tial requirement for practical success , that the lamp filament should be thin and of high resistance . But now we know that the resistance of…
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