United States. Surgeon-General's Office, American Roentgen Ray Society · New York : Middleditch · leaf 33
Fig. 7. Coolidge set up with storage battery[for lighting: filament. … Fig. 8. Air-cooled self-iectlfying Coolidge tube. 26 X-RAY PHYSICS 27 second multiplied by the charge of each electron, therecan be no charge piled up on the electrodes—i. e., noeffective terminal voltage.)No Inverse. A further valuable feature of the tube is its inabilityto transmit inverse so…
