Due to the Covid-19 virus Captains is temporarily suspending orders


5" Square Protractor

Sometimes referred to as a Douglas protractor, the Square Protractor is best suited for rapid plotting of courses and bearings in a confined space.


Suitable for plotting courses and bearings on land or sea. Notations can be made directly on matte plastic surface with pencil. Instructions included.


  • Douglas protractor
  • Rapid plotting of course in a confined space