Davis Instruments Marine Charting & Cartography

Mark 15 Sextant by Davis Instruments®. This model has many great features including seven large sunshades, a 3 mm x 27 mm star scope, and easy-to-read micrometer drum vernier scale that reads to 2/10 of a minute. The Mark 15 has a 7?...

Mark 25 Sextant by Davis Instruments®. The top of the line Davis plastic sextant, the Mark 25 features our Beam Converger™ mirror, sometimes referred to as a “full horizon mirror”. A special coating is applied to high quality...

Mark 3 Sextant by Davis Instruments®. 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...

Artificial Horizon by Davis Instruments®. 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....

Mark 15 Sextant (026) by Davis Instruments®. This model has many great features including seven large sunshades, a 3 mm x 27 mm star scope, and easy-to-read micrometer drum vernier scale that reads to 2/10 of a minute. The Mark 15 has a...

Mark 25 Sextant (025) by Davis Instruments®. The top of the line Davis plastic sextant, the Mark 25 features our Beam Converger™ mirror, sometimes referred to as a “full horizon mirror”. A special coating is applied to high...

Mark 3 Sextant (011) by Davis Instruments®. 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,...

Parallel Rules by Davis Instruments®. Completely transparent clear optical finish allows for exact plotting. Each 15? (38 cm) blade features large, easy-to-grip handles. Precision molded for accurate straight line plotting.