electron tubes
Identification code: 300024554
Hierarchy classification:
Narrower term/s
Alternative term/s
- audion
- audions
- electron tube
- electronic valve
- electronic valves
- thermionic valves
- valve
- valve, thermionic
- valves
Anotations
Scope note:
Refers to devices used to amplify or otherwise modify electrical current via the flow of electrons in an evacuated glass tube or bulb.
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