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Weems & Plath Protractor


W&P 255

An updated version of the Breton Plotter or Portland Plotter, the Weems Protractor has a movable compass rose grid that can be used to lay off a course or bearing, measure distance between any two points, plot position on a chart from a given set of coordinates, or determine coordinates of position on a chart.
  • Variation can be preset on the movable rose for ease in plotting compass bearings
  • The edges of the Weems Protractor are graduated in inches and centimeters
  • Pencil and sharpener included

    Replaces the:
  • 250 Weems & Plath Bi-Rola Waypoint Rule
  • 115 Weems-Zweng Course Protractor
  • 225 Chart Protractor



  • Weems & Plath Protractor
    #NWP255 List Price $23.99Only $19.99




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