From the book 'Vacuum Tubes in Wireless Communication' by Elmer E. Bucher. Published in 1919
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The "Kenotron" tubes have
been employed to rectify alternating currents up to 180,000 volts. For any
purpose for which high voltage direct current is desirable, they have proven
practical and serviceable From the book 'Vacuum Tubes in Wireless Communication' by Elmer E. Bucher. Published in 1919 |
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