Statements (18)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:lighthouse | 
| gptkbp:countryOfOrigin | gptkb:Sweden | 
| gptkbp:introducedIn | early 20th century | 
| gptkbp:inventedBy | gptkb:Gustaf_Dalén | 
| gptkbp:manufacturer | gptkb:AGA_(Aktiebolaget_Gas_Accumulator) | 
| gptkbp:notableFor | gptkb:Dalén_light automatic lighthouse technology sun valve invention | 
| gptkbp:relatedTo | gptkb:Gustaf_Dalén gptkb:AGA_company | 
| gptkbp:technology | acetylene gas lighting automatic gas regulation | 
| gptkbp:usedBy | gptkb:Swedish_Lighthouse_Authority international lighthouse services | 
| gptkbp:usedIn | lighthouses | 
| gptkbp:bfsParent | gptkb:Gustaf_Dalén | 
| gptkbp:bfsLayer | 5 | 
| https://www.w3.org/2000/01/rdf-schema#label | AGA lighthouse equipment |