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 381
work is then performed on the button , since the bombardment becomes less intense as the conductivity of the gas increases . In this construction , of course , the small bulb becomes very hot and when it reaches an elevated temperature the con vection and radiation on the outside increase . On… … Fin . 193 . Fig . 194 . Fig . 195 . tween the walls of both was highly exhausted . The outer large globe remained comparatively cool in such constructions . When the large globe was on the pump and the vacuum between the walls maintained permanent by the continuous action of the pump , the outer…
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