Davis Artificial Horizon [144] Sheave 18 Positions: 10

Positions: 10

Mast collar secured with a hook-and-loop closure

Ballast pocket can also be used to stow unused anchor line

Stainless Steel Flush Mount Rod Holder

Davis Artificial Horizon [144] Sheave 18 Positions: 10Artificial 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