Description
Douglas Geologist Protractor
Combined protractor and parallel rule, with geologist's apparent dip protractor. Includes a 12-page illustrated instruction book. Supplied in reusable cardboard storage 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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