Protractor Plotter Ruler, 4" x 15"
$10.50
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Transparent plastic course protractor plotter is designed to measure courses and bearings on charts and plotting sheets.Use for drawing a course or bearing from a given point, moving a line parallel to itself or plotting celestial lines of position.It has scales 1:40,000 and 1:80,000 in both nautical and statute miles.
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