NauticEd Breton Plotter Protractor
$16.00
Price: $16.00
(as of Mar 26,2022 15:02:19 UTC – Details)
This is a Breton Plotter also known as a Portland Plotter or rotating protractor. It is used for chart navigation. Align the plotter between two points then rotate the centerpiece to align with the latitude and longitude lines and read the angle.
Rotating Protractor