New (old stock) in the original box.
Type: CV265
Damping diode (flyback)
Typically used in radar application in WWII
Octal base (bakelite)
Brand new old stock - today is the first time they have seen daylight for 75 years! They look happy!
High voltage/High current specifications
Typically 4Kv on the anode, peak of around 5.5Kv
Anode current 12 Amps! (very short period though)
4V heater supply
These would have been made in USA or Britain
Tested as described in the description
This item is not returnable, UNLESS not as described