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Portland Course Plotter Kit


ISBN/EAN: 5020027060967
Author: Blundell Harding


The Portland Course Plotter is one of the most popular chart work instruments and is widely used by RYA practical & shore based instructors. It provides a quick method of plotting course and bearings and gives a direct reading of corrections for magnetic variation. THis new version has been developed in consultation with the RYA and has been engineered for both strength & fine accuracy.



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