File:Brunton.JPG
Summary
A <a href="https://en.wikipedia.org/wiki/Brunton_compass" class="extiw" title="en:Brunton compass">Brunton Pocket Transit</a>, a specialized <a href="https://en.wikipedia.org/wiki/compass" class="extiw" title="en:compass">compass</a> used by <a href="https://en.wikipedia.org/wiki/geologist" class="extiw" title="en:geologist">geologists</a> and other field-based <a href="https://en.wikipedia.org/wiki/surveying" class="extiw" title="en:surveying">surveying</a> over long distances. From left to right: The mirror, with line and sighter on top of the mirror, and window to look through the window; millimeter scale on side of mirror; hinge with angle measurement on side (set at ~50 degrees); the face, with azimuth degrees around the outside of the face measuring 0-359 degrees, the needle (with North hand pointed at 79 degrees); the <a href="https://en.wikipedia.org/wiki/bubble_level" class="extiw" title="en:bubble level">bubble level</a>; the <a href="https://en.wikipedia.org/wiki/inclinometer" class="extiw" title="en:inclinometer">inclinometer</a> (set at ~30 degrees), a magnetic declination setting (green point on the outer ring, set to ~15 degrees); on the outside of the face is the damping button (with arm projecting from it seen in face); and finally, a sighting arm to the right.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:10, 3 January 2017 | | 3,648 × 2,736 (3.19 MB) | 127.0.0.1 (talk) | A <a href="https://en.wikipedia.org/wiki/Brunton_compass" class="extiw" title="en:Brunton compass">Brunton Pocket Transit</a>, a specialized <a href="https://en.wikipedia.org/wiki/compass" class="extiw" title="en:compass">compass</a> used by <a href="https://en.wikipedia.org/wiki/geologist" class="extiw" title="en:geologist">geologists</a> and other field-based <a href="https://en.wikipedia.org/wiki/surveying" class="extiw" title="en:surveying">surveying</a> over long distances. From left to right: The mirror, with line and sighter on top of the mirror, and window to look through the window; millimeter scale on side of mirror; hinge with angle measurement on side (set at ~50 degrees); the face, with azimuth degrees around the outside of the face measuring 0-359 degrees, the needle (with North hand pointed at 79 degrees); the <a href="https://en.wikipedia.org/wiki/bubble_level" class="extiw" title="en:bubble level">bubble level</a>; the <a href="https://en.wikipedia.org/wiki/inclinometer" class="extiw" title="en:inclinometer">inclinometer</a> (set at ~30 degrees), a magnetic declination setting (green point on the outer ring, set to ~15 degrees); on the outside of the face is the damping button (with arm projecting from it seen in face); and finally, a sighting arm to the right. |
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File usage
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