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Weems & Plath Parallel Plotter

W&P 120 Weems Parallel Plotter Our most popular plotter! The instrument consists of a plotter mounted on a roller. The plotter contains distance scales at 1:20,000,1:40,000 and 1:80,000 to fit the N.O.S. Coast and Harbor Charts and also an inch scale. A semi-circular protractor is included for measuring courses and bearings against a meridian on the chart, and two quarter circle protractors for measuring courses and bearings against a parallel of latitude. Courses and parallel lines are transferred and kept parallel by means of two rollers which are mounted on a slide axis. Used for measuring or laying off courses and distances on a nautical chart. Instructions included. Wt. 5 oz. 120 Weems Parallel Plotter

#NWP120 List Price $24.99Only $21.99