Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:communication
|
| gptkbp:category |
electrical engineering
industrial equipment 19th-century inventions |
| gptkbp:enables |
gptkb:Morse_code
|
| gptkbp:firstCommercialSystem |
1839
|
| gptkbp:firstCommercialSystemLocation |
gptkb:Great_Western_Railway,_England
|
| gptkbp:firstDemonstrated |
1837
|
| https://www.w3.org/2000/01/rdf-schema#label |
electrical telegraph
|
| gptkbp:inventedBy |
gptkb:Samuel_Morse
gptkb:Charles_Wheatstone gptkb:William_Fothergill_Cooke |
| gptkbp:relatedTo |
telegraph
telegraphy typewriter |
| gptkbp:replacedBy |
gptkb:radio_station
gptkb:smartphone |
| gptkbp:significance |
gptkb:Industrial_Revolution
|
| gptkbp:usedFor |
long-distance communication
|
| gptkbp:uses |
wires
electric signals |
| gptkbp:bfsParent |
gptkb:harmonic_telegraph
|
| gptkbp:bfsLayer |
5
|