Description
Douglas Metric Protractor
Combined protractor and parallel rule. Metric version, 125mm square. Supplied in reusable cardboard sleeve.
The Douglas protractor is designed to assist in laying a course or bearing, reading a bearing, finding departure or latitude between two positions, finding a magnetic course, and fixing graduations in 1 increments. In addition, a fi" x fi" grid is printed on the centre section of this protractor.
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