Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
vacuum tube
|
| gptkbp:application |
gptkb:audio_equipment
Antenna |
| gptkbp:basisFor |
octal
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:filament_voltage |
6.3V
|
| https://www.w3.org/2000/01/rdf-schema#label |
Westinghouse 1447C
|
| gptkbp:manufacturer |
gptkb:Westinghouse_Electric_Corporation
|
| gptkbp:type |
beam power tube
|
| gptkbp:bfsParent |
gptkb:R21_subway_car
|
| gptkbp:bfsLayer |
7
|