Protractor Weems & Plath
An updated version of the Breton plotter or Portland plotter, the Weems protractor has a moving compass rose that can be used for plotting a course or a bearing, measuring the distance between two points, plotting a position on the map or determining the position coordinates.
Pencil and sharpener are included.
Weight: 181 g
Dimensions: 15 “x 5” (381 x 127 mm)