Davis Mark 3 Marine Sextant [011] Marine Navigation & Instruments | Autopilots Powerful and sturdy

Powerful and sturdy

1/2" NPT ports for easy connection

The Reverse "Y" Adapter has two male plugs with special power isolation circuitry for added safety

Rated for Underwater Use

The bayonet has been re-designed and improved for extra convenience

Davis Mark 3 Marine Sextant [011] Marine Navigation & Instruments | Autopilots Powerful and sturdyMark 3 Marine Sextant Sometimes referred to as a "lifeboat" sextant, the Mark 3 is an inexpensive training sextant. Yet this model has taken sailors around the world, too! It is full sized and has sunshades, but no optical magnification to help you find dim celestial bodies. Comes with instruction booklet. Owner's Manual (pdf)