[Milsurplus] EN91 / 2D21 / CV797 xenon filled
shield-grid thyratron.
C Whitaker
whitaker at pa.net
Wed Nov 12 09:36:16 EST 2008
de WB2CPN
That tube was also used as an AND Gate
in cira 1950 Teletype Corp multiplex
equipment. Reset by removing plate
voltage. AN/FGC-5 maybe.
73 Clete
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