Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
lighthouse
|
| gptkbp:countryOfOrigin |
gptkb:United_States
|
| gptkbp:fuelType |
whale oil
|
| https://www.w3.org/2000/01/rdf-schema#label |
Winslow Lewis lamp
|
| gptkbp:introducedIn |
1810
|
| gptkbp:inventedBy |
gptkb:Winslow_Lewis
|
| gptkbp:notableFor |
improving lighthouse illumination in the US
|
| gptkbp:replacedBy |
gptkb:Argand_lamp
Lens |
| gptkbp:usedBy |
gptkb:United_States_Lighthouse_Establishment
|
| gptkbp:usedIn |
lighthouses
|
| gptkbp:bfsParent |
gptkb:Winslow_Lewis
|
| gptkbp:bfsLayer |
6
|