Beam Tetrode
- Made:
- circa 1935 in England
This image is released under a CC BY-NC-SA 4.0
Licence
Valve - Beam Tetrode Type N40
Science Museum Group
Valve - Beam Tetrode Type N40
Details
- Category:
- Electronic Components
- Object Number:
- 2000-1257
- Materials:
- glass, composites, metal
- Measurements:
-
: 127 x 63.5 mm
- type:
- type n40 valve
- credit:
- Unknown source
