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ID = 27586
Tube type:  Thyratron   Text 
Identical to CV22 = BT45

Base Wires Wires only.
Was used by Radar
Filament Vf 2.5 Volts / If 22 Ampere / Direct

Mercury Thyratron, intended for use in radar modulators. Derived from BT45, CV22 used directly heated folded nickel ribbon cathode, with oxides filled into a welded nickel gauze; this design gave a huge increase in the emitting surface. 20KV, 50A pulses.
CV22 was used since 1941 in radar Type 291, to drive NT99 micropup triodes. Also used in 1942 in radar Type 271Q, to drive tha CV56 magnetron; two were used in 1941 in the GL3 system to drive the CV120 magnetron.

Information source -- Original prospect or advert   Callick, Metres to Microwaves

CV22: Manufacturer's Literature
Emilio Ciardiello

CV22: Manufacturer's Literature
Emilio Ciardiello

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