Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:communication
|
| gptkbp:first_introduced |
gptkb:Wales
|
| https://www.w3.org/2000/01/rdf-schema#label |
Preece's telegraph system
|
| gptkbp:improves |
gptkb:Guglielmo_Marconi
|
| gptkbp:invention |
gptkb:William_Preece
1870 |
| gptkbp:operates_in |
Morse code
|
| gptkbp:replaced_by |
wireless telegraphy
|
| gptkbp:significance |
pioneered modern telecommunications.
|
| gptkbp:technology |
electrical communication
|
| gptkbp:used_for |
long-distance communication
|
| gptkbp:bfsParent |
gptkb:Sir_William_Preece
|
| gptkbp:bfsLayer |
6
|