250mm W G Douglas Protractor-Normal-Prospectors
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Douglas

6PRWG-250

250mm W G Douglas Protractor

The Douglas protractor is designed to assist in laying off a course or bearing; reading a bearing; finding departure or latitude between two positions; finding a magnetic course; fixing graduations in 1 degree increments. In addition there is a fi" x fi" grid printed on the centre section of this protractor. - 250mm

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