Alternative names (4)
current lens • lensMaterial • lensTechnology • original lensRandom triples
| Subject | Object |
|---|---|
| gptkb:Great_Gull_Island_Light | Fourth order Fresnel lens |
| gptkb:Perkins_Island_Light_Station | Fifth order Fresnel lens |
| gptkb:Orford_Ness_Lighthouse | catadioptric |
| gptkb:Prudence_Island_Lighthouse | sixth order Fresnel lens |
| gptkb:iSight | gptkb:glass |
| gptkb:Whitefish_Point_Light | third order Fresnel lens |
| gptkb:Round_Island_Light | Fourth order Fresnel lens |
| gptkb:Baily_Lighthouse | catoptric |
| gptkb:Milwaukee_Breakwater_Light | Fourth order Fresnel lens |
| gptkb:Cape_Lookout_Lighthouse | first-order Fresnel lens |
| gptkb:Monhegan_Light | Lens |
| gptkb:Cape_Moreton_Lighthouse | catoptric |
| gptkb:Battery_Point_Lighthouse | fourth order Fresnel lens |
| gptkb:Stratford_Shoal_Light | third order Fresnel lens |
| gptkb:Norah_Head_Lighthouse | first order Fresnel lens |
| gptkb:Cape_Arago_Lighthouse | Fourth order Fresnel lens |
| gptkb:Nottawasaga_Island_Light | catoptric |
| gptkb:Menemsha_Lighthouse | Fifth order Fresnel lens |
| gptkb:Whaleback_Light | Lens |
| gptkb:Mark_Island_Light | Fifth order Fresnel lens |