Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
electric motor
|
| gptkbp:category |
gptkb:audio_equipment
electrical engineering historical radio technology |
| https://www.w3.org/2000/01/rdf-schema#label |
singing arc
|
| gptkbp:inventedBy |
gptkb:William_Duddell
1899 |
| gptkbp:notableFeature |
continuous wave generation
produces musical tones |
| gptkbp:operates |
electric arc oscillation
|
| gptkbp:predecessor |
vacuum tube oscillator
|
| gptkbp:relatedTo |
Tesla coil
oscillator |
| gptkbp:usedFor |
early wireless telegraphy
generating audio frequencies |
| gptkbp:bfsParent |
gptkb:William_Du_Bois_Duddell
|
| gptkbp:bfsLayer |
5
|