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Douglas Protractor & Parallel Rule 127mm

Douglas Protractor & Parallel Rule 127mm

Regular price $24.50 AUD
Regular price $24.50 AUD Sale price $24.50 AUD
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Made in Australia the Douglas Protractor is a square combined protractor and parallel rule that is useful in reading a bearing, laying out a course or for finding a magnetic course.


  • Frosted grid area for pencil marking with chrystal clear measuring edges
  • Graduated in 1° increments
  • 1/2" x 1/2" grid pattern printed in the centre section of the protractor
  • 12,7cm square in card sleeve


  • Lay off a course or bearing
  • Read off a course or bearing
  • Rule parallel lines
  • Find departure or latitude between two positions
  • Find magnetic course or bearing from true
  • Fix position by angles
  • Plot lines of position and similar problems 

Use soft pencil and soft rubber. Keep protractor in case when not in use.


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