Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
lighthouse illumination device
|
| gptkbp:awarded |
gptkb:Nobel_Prize_in_Physics_(to_Gustaf_Dalén)
|
| gptkbp:enables |
automatic operation
|
| gptkbp:features |
gptkb:sun_valve
|
| https://www.w3.org/2000/01/rdf-schema#label |
Dalén light
|
| gptkbp:inventedBy |
gptkb:Gustaf_Dalén
|
| gptkbp:notableFor |
energy efficiency
automation of lighthouse lighting |
| gptkbp:patent |
1906
|
| gptkbp:replacedBy |
electric lighting
|
| gptkbp:usedBy |
gptkb:Swedish_Lighthouse_Service
|
| gptkbp:usedIn |
lighthouses
|
| gptkbp:uses |
acetylene gas
|
| gptkbp:bfsParent |
gptkb:Gustaf_Dalén
|
| gptkbp:bfsLayer |
5
|