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The Weems Parallel Plotter is our most popular Weems plotter! This Weems plotter is mounted on a roller that allows you to plot courses and parallel lines with simple direct transfer without the space required of traditional parallel rules or triangles.
Contains distance scales as 1:20,000, 1:40,000 and 1:80,000 to fit N.O.S Coast and Harbor Charts, as well as an inch scale. Includes semi-circular protractor for measuring courses and bearing against meridian on chart, and two quarter circle protractors for measuring courses and baring against parallel of latitude. Used for measuring or laying off courses and distances on a nautical chart. Instructions included. Lifetime warranty. NSN: 6605-04-556-9178.
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