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The Brunton Compass is an instrument used by geologists for measurement of the altitudes of structural features. This compass can help a person develop the ability to visualize lines and planes in three-dimensional space.
On the cover of the compass there is a Natural Sine Scale for calculations of different readings during a survey.
Under the cover is a mirror used for taking reflecting readings from the dial. It has two bubble spirit levels (levels can be rotated by a flat lever to the base), which tells you when the base of the compass is horizontal.

The levels are adjusted by moving the lever situated under the compass. The entire mechanism allows measurements of dip or plunge angles. On shutting the compass, a button-like mechanism locks the compass needle. This protects the magnetism when transporting the compass.

Measurement: 3 in. x 1 1/2 high

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Vintage compass Brass BRUNTON brand


  • Vintage item
  • Material: brass
  • Ships worldwide from United States
  • Feedback: 331 reviews
  • Favorited by: 2 people