Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
lighthouse
|
| gptkbp:compatibleWith |
gptkb:vacuum
|
| gptkbp:emitsLightBy |
incandescence
|
| https://www.w3.org/2000/01/rdf-schema#label |
Nernst lamp
|
| gptkbp:introducedIn |
1897
|
| gptkbp:inventedBy |
gptkb:Walther_Nernst
|
| gptkbp:marketedAs |
gptkb:Westinghouse_Electric
|
| gptkbp:material |
ceramic rod
|
| gptkbp:notableFeature |
fragile ceramic rod
no filament operates at high temperature |
| gptkbp:obsoletes |
true
|
| gptkbp:replacedBy |
gptkb:tungsten_filament_lamp
|
| gptkbp:replacedCarbonFilamentLamps |
true
|
| gptkbp:usedFor |
lighting
|
| gptkbp:usedIn |
early 20th century
laboratories street lighting |
| gptkbp:bfsParent |
gptkb:Walther_Nernst
|
| gptkbp:bfsLayer |
4
|