This navigation tool is versatile and can be used to lay off a course or a bearing, measure distance between any two points, plot a position on a chart from a given set of co-ordinates, or determine the co-ordinates of a position on a chart. It is an updated version of the Breton and Portland Plotters. Pencil and sharpener included. Dims: 15″ x 5″.
Specification: Weems Protractor
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