Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telegraph
|
| gptkbp:demonstrates |
gptkb:British_Admiralty
|
| gptkbp:historicalSignificance |
early practical demonstration of electric telegraphy
|
| https://www.w3.org/2000/01/rdf-schema#label |
Ronalds' Electric Telegraph
|
| gptkbp:introducedIn |
1816
|
| gptkbp:inventedBy |
gptkb:Francis_Ronalds
|
| gptkbp:locationInvented |
gptkb:Hammersmith,_London
|
| gptkbp:principle |
electric signals through wire
|
| gptkbp:relatedTo |
development of telecommunication
|
| gptkbp:usedComponents |
electrostatic pith-ball indicators
static electricity generator |
| gptkbp:bfsParent |
gptkb:Sir_Francis_Ronalds
|
| gptkbp:bfsLayer |
6
|