External Anode air cooled triode
- Made:
- circa 1950
- maker:
- NEC Corporation
External Anode air cooled triode, type VT90 Serial no. P9864, manufactured by NEC Corporation, c1950.
Details
- Category:
- Radar & Radio Location
- Object Number:
- 2001-165
- Materials:
- glass, brass and steel.
- Measurements:
-
: 5.315 x 1.5748 in.; 135 x 40 mm
- type:
- valve
- credit:
- Entwistle, Paul L.
