skos:altLabel | - Lighthouse
- triode
- ''Lighthouse''
- vacuum tube
- ''Lighthouse''-type
- Dual triode
- High-mu triode
- Triode pentode
- Triode-heptode converter
- Triode-hexode
- Vacuum triode
- Vacuum tube triode
- triode amplifiers
- triode thyratron
- triode tube
- triode vacuum tube
- triode vacuum tubes
- triodes
- vacuum triode
- vacuum tube triode
|