It posesses a high degree of exhaustion, a heavy tungsten anode to withstand severe electrical bombardment, and a cathode having a coil of tungsten wire, heated by a separate current, to emit the electrons necessary to render the space conducting with a molybdenum hood to focus the electrons on the anode.
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Bibliographic details
Star (Christchurch), Issue 19258, 20 December 1930, Page 19 (Supplement)
Word Count
51It posesses a high degree of exhaustion, a heavy tungsten anode to withstand severe electrical bombardment, and a cathode having a coil of tungsten wire, heated by a separate current, to emit the electrons necessary to render the space conducting with a molybdenum hood to focus the electrons on the anode. Star (Christchurch), Issue 19258, 20 December 1930, Page 19 (Supplement)
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