Telefunken triode type EVN 7171
- Made:
- 1917
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Telefunken triode type EVN 7171, with wire wound filament resistor in (damaged) lined wooden box, 1917
Details
- Category:
- Electronic Components
- Object Number:
- 1978-206
- type:
- triode
- credit:
- Imperial College of Science & Technology (Dept. of Electrical Engineering)
