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Weems & Plath
Square Course Plotter

W&P 555
Used by the United States Power Squadrons for years, this plotter is a similar design to our square protractor, only it is slightly larger and incorporates a compass rose in the center to make calculating courses, bearings and variation much easier. Comes in a convenient storage sleeve imprinted with easy to follow instructions. Dimensions: 7-3/4" x 9-7/16".

Replaced by the Square Protractor.

Weems & Plath Square Protractor
Weems & Plath Square Protractor