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 204
- named cases , instead of connecting the wires to an insulated body , connections may be made to the ground . The experiments which will prove most suggestive and of most interest to the investigator are probably those performed with exhausted tubes . As might be anticipated , a source of such… … Fig . 122 . Fig . 123 . tubes , devoid of any electrodes , by electromagnetic induction , making the tube the secondary of the induction device , and passing through the primary the discharges of a Leyden jar . These tubes were made of many shapes , and I was able to obtain luminous effects which I…
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