EIMAC VT-158 Radar Transmitting Triode (“Zahl Tube”)
Tube d'émission radar
Radar-Sende-Röhre

UHF Oscillator Tube for Radar (World War II).
Developed at Camp Evans by Dr. Harold A. Zahl for the TPS-3 radar.
The tube consists of 4 individual triodes connected in push-pull-parallel.

• US Patent 2,454,298 - H.A. Zahl et al., Electronic Tube, Filed July 29, 1943.

• William I. Orr, The Secret Tube That Changed the War, Popular Electronics, Vol. 20, No. 3, March 1964.

 

21 x 22 cm • 8" 3/10 x 8" 7/10

 

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