Artificial Horizon - SKU 144 Air-Dryr but no optical magnification to

but no optical magnification to help you find dim celestial bodies

No more chain noise keeping you awake

Increase your wireless transmission by up to 1

allowing you to:

Simply slip onto wrists

Artificial Horizon - SKU 144 Air-Dryr but no optical magnification toAnswers the need of every sextant user who cannot depend on a natural sea horizon. Use for backyard practice, finding exact position 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 suns angle above the true horizon. Windproof and corrosion resistant, the reflecting surface is completely enclosed. Comes with two sun shades,