Large and small thyratrons - photo by Eric Barbour
Large General Electric hydrogen thyratron, used in pulsed radars, next to miniature 2D21 thyratron used to control relays. Photo taken 2004.
Size of the left device: Diameter: max. 3/4″ (≈ 19 mm), height (including terminal pins, excluding the fused seal pin): max. 1+19/32″ (≈ 40,5 mm)[1][2]
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05:45, 16 September 2004 . . EricBarbour (10803 bytes) (Large and small thyratrons - photo by Eric Barbour {{PD}})
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