Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
lighthouse
|
| gptkbp:fuelType |
amyl acetate
|
| https://www.w3.org/2000/01/rdf-schema#label |
Hefner lamp
|
| gptkbp:introducedIn |
1884
|
| gptkbp:inventedBy |
gptkb:Friedrich_von_Hefner-Alteneck
|
| gptkbp:measures |
Hefnerkerze
|
| gptkbp:namedAfter |
gptkb:Friedrich_von_Hefner-Alteneck
|
| gptkbp:replacedBy |
gptkb:candela
|
| gptkbp:usedAs |
photometric standard
|
| gptkbp:usedFor |
measuring luminous intensity
|
| gptkbp:usedIn |
gptkb:Germany
|
| gptkbp:bfsParent |
gptkb:Friedrich_von_Hefner-Alteneck
|
| gptkbp:bfsLayer |
7
|