Sextant

The Davis Instruments 026 Mark 15 Master Sextant is a high-quality, precision instrument used for measuring angles and navigating by the stars. It features a durable brass frame, adjustable mirrors, and an accurate vernier scale for precise readings.

HarperCollins Publishers (9780007516582) | David Barrie's, Navigational instruments

International Marine/Ragged Mountain Press (9780070052192)

The Davis Instruments Deluxe Mark 25 Master Sextant is a high-quality navigation tool designed for use in aviation, nautical or other professional contexts.

Explore the evolution of maritime navigation through the lives of fifty pivotal inventors and innovations, from early sails to modern sextants—an engaging history that charts humanity's relentless quest for the open sea.