General Electric 2D29 Subminiature Cold-Cathode Tetrode Thyratron
Thyratron à cathode froide
Kaltkathoden-Relaisröhre
Ruggedized subminiature tetrode thyratron, designed for use as igniter driver in the T-172 proximity fuze for mortar shells.
Also known as GE-N4.
Never registered. Tube classified as confidential by the Bureau of Ships and the Army Signal Corps (1943).
![General Electric 2D29 Subminiature Cold-Cathode Tetrode Thyratron](th030a.jpg)
Hauteur • Height • Höhe : 31 mm • 1" 1/4
Diamètre • Diameter • Durchmesser : 9,5 mm • 3/8"
![General Electric 2D29 Subminiature Cold-Cathode Tetrode Thyratron](th030b.jpg)
![General Electric 2D29 Subminiature Cold-Cathode Tetrode Thyratron](th030c.jpg)
![General Electric 2D29 Subminiature Cold-Cathode Tetrode Thyratron](th030d.jpg)
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