Statements (17)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Lens
|
gptkbp:category |
Lighthouse technology
Optical lens |
gptkbp:diameter |
1330 mm
|
gptkbp:height |
1330 mm
|
https://www.w3.org/2000/01/rdf-schema#label |
Hyper-radial Fresnel lens
|
gptkbp:introducedIn |
late 19th century
|
gptkbp:inventedBy |
John Richardson Wigham
|
gptkbp:rank |
first-order Fresnel lens
|
gptkbp:usedFor |
maximum light intensity
|
gptkbp:usedIn |
gptkb:Cape_Race_Lighthouse
lighthouses Great Basses Reef Lighthouse Makapu'u Point Light |
gptkbp:bfsParent |
gptkb:Makapu'u_Point_Lighthouse
gptkb:Makapu'u_Lighthouse |
gptkbp:bfsLayer |
7
|