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 189
on , and that in a very highly exhausted globe it ceases altogether . The possibility of bringing a body to incandescence in an exhausted globe , or even when not at all enclosed , would seem to afford a possible way of obtaining light effects , which , in perfecting methods of producing rapidly… … Pig . 112a . when these high frequencies and enormous potentials are used , the best insulation is apt to give way . Usually the coil is insu lated w r ell enough to stand the strain from convolution to convo lution , since two double silk covered paraffined wires will with stand a pressure of…
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