Statements (28)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telegraph
|
| gptkbp:category |
gptkb:International_Standard
19th-century inventions |
| gptkbp:commercialUse |
1844
|
| gptkbp:component |
batteries
wires sounder telegraph key |
| gptkbp:enables |
long-distance communication
|
| gptkbp:firstDemonstrated |
1837
|
| gptkbp:firstMessageSent |
What hath God wrought
|
| gptkbp:firstMessageSentFrom |
gptkb:Washington,_D.C.
|
| gptkbp:firstMessageSentTo |
gptkb:Baltimore,_Maryland
|
| gptkbp:historicalSignificance |
revolutionized communication
|
| https://www.w3.org/2000/01/rdf-schema#label |
Morse telegraph
|
| gptkbp:inventedBy |
gptkb:Samuel_Morse
gptkb:Alfred_Vail |
| gptkbp:patent |
1840
|
| gptkbp:provides |
electricity
|
| gptkbp:replacedBy |
gptkb:smartphone
|
| gptkbp:supportsProtocol |
wired
|
| gptkbp:transmittedBy |
electrical pulses
|
| gptkbp:usedBy |
gptkb:military
railroads news agencies |
| gptkbp:uses |
gptkb:Morse_code
|
| gptkbp:bfsParent |
gptkb:Gauss–Weber_telegraph
|
| gptkbp:bfsLayer |
6
|