Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
instrumental
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:demonstrates |
gptkb:Western_Union_office
|
| gptkbp:historicalSignificance |
precursor to the synthesizer
|
| https://www.w3.org/2000/01/rdf-schema#label |
musical telegraph
|
| gptkbp:introducedIn |
1874
|
| gptkbp:inventedBy |
gptkb:Elisha_Gray
|
| gptkbp:operatedBy |
gptkb:keyboard
|
| gptkbp:produces |
musical tones
|
| gptkbp:relatedTo |
gptkb:smartphone
|
| gptkbp:uses |
electromagnetism
|
| gptkbp:bfsParent |
gptkb:Elisha_Gray
|
| gptkbp:bfsLayer |
4
|