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VT90

Sensibly equivalent to:
8011 CV1090 E1046
See also:
Micropup valves - Radar Technique - Valve Developments
    
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This exhibit is unmarked. The belief is that it is an Amperex VT90. It matches the VT90 physically.
See VT90 for details.
The envelope is 40 mm in diameter and, excluding the base pins, is 105 mm tall.
Reference: Private communication. Type VT90 was first introduced in 1939.

 

Updated November 12, 2020.
type:triode age:1930.1940 base: pin:
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