Douglas 5" Square Navigational Protractor Sale Retains body heat and reflects

Retains body heat and reflects heat back to body

We've mapped every hill and valley for your next great adventure

Features a comfortable carry grip and screw-on cap with on/off spout

through the heart of BC via the Rocky Mountain Trench and the Central Plateau

With the optional computer interface

Douglas 5" Square Navigational Protractor Sale Retains body heat and reflectsNavigational Protractor also known as a Navigation Square Protractor or Douglas Navigational Protractor for Air and Sea 5" x 5" for measuring on charts, determining bearings, or to use as a parallel rule. Navigation protractor 360 marked in 1 intervals. Sometimes referred to as a Douglas protractor, the 5" Square Aviation Protractor is best suited for rapid plotting of courses and bearings in a confined space. Notations can be easily made directly on