Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
telegraph
|
| gptkbp:category |
telecommunications
|
| gptkbp:enables |
sending and receiving messages at the same time
|
| https://www.w3.org/2000/01/rdf-schema#label |
duplex telegraph
|
| gptkbp:improves |
gptkb:Thomas_Edison
|
| gptkbp:introducedIn |
1853
|
| gptkbp:inventedBy |
gptkb:Julius_Wilhelm_Gintl
|
| gptkbp:relatedTo |
quadruplex telegraph
|
| gptkbp:technology |
electrical communication
|
| gptkbp:usedFor |
simultaneous two-way telegraph communication
|
| gptkbp:usedIn |
telegraph networks
|
| gptkbp:bfsParent |
gptkb:multiplex_telegraph
|
| gptkbp:bfsLayer |
6
|