Davis Artificial Horizon [144] Lighting | Underwater Lighting Lumens (White): 360

Lumens (White): 360

Features include 5

1-5/8" Diameter British threads

UPC: 091887316353

UPC: 088379104727

Davis Artificial Horizon [144] Lighting | Underwater Lighting Lumens (White): 360Artificial Horizon Answers the need of every sextant user who cannot depend on a natural sea horizon. Use for backyard practice, finding exact positon when inland, and making exact sextant shot on foggy mornings. To use, fill with water and read the angle of the reflected sun with your sextant. Half your sextant reading is the sun's angle above the true horizon. Windproof and corrosion resistant, the reflecting surface is completely enclosed. Comes