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 234
ntensify the streams ; and , though it may be very sanguine , it is surely not altogether hopeless to expect that we may succeed in producing a practical illuminant on these lines . We would then be simply using burners or flames , in which there would be no chemical process , no consumption of… … Fig . 137 . increased when they are focused upon a small surface . This may be shown by the following experiment : I attach to one of the terminals of the coil a wire w ( Fig . 137 ) , bent in a circle of about 30 centimetres in diameter , and to the other terminal I fasten a small brass sphere s ,…
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