Practical wireless telegraphy; a complete text book for students of radio communication (1917)
Bucher, Elmer Eustice, 1885- · New York, Wireless Press, Inc · leaf 121
drical tank, one set of plates being insulated from thestructure. The tank is pumped to pressure of 250 pounds air pressure which has sufficientdielectric strength to withstand potentials of 25,000 volts. The dielectric losses in a con-denser of this type are, of course, zero and a permanent… … Fig. 128- -Short Wave Condenser American MarconiCompany. APPLIANCES FOR A RADIO TRANSMITTER.50,000 VOLTS 111
Telegraph, Wireless
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