File:View through optical plummet.jpg
Summary
Photo of a point in a municipal <a href="https://en.wikipedia.org/wiki/Control_network" class="extiw" title="en:Control network">control network</a> through the optical plummet of a prism adapter on a <a href="https://en.wikipedia.org/wiki/Tribrach_(instrument)" class="extiw" title="en:Tribrach (instrument)">tribrach</a> on a surveyers <a href="https://en.wikipedia.org/wiki/Tripod_(surveying)" class="extiw" title="en:Tripod (surveying)">tripod</a>. There is obviously a big centering error. When the tribrach is properly centered above the point, the crosshairs will split the inner diameter of the tube in four equal pieces. Photo taken in <a href="https://en.wikipedia.org/wiki/Vaxholm_Municipality" class="extiw" title="en:Vaxholm Municipality">Vaxholm</a> in the Stockholm archipelago in Sweden.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:42, 16 January 2017 | | 3,264 × 2,448 (2.28 MB) | 127.0.0.1 (talk) | Photo of a point in a municipal <a href="https://en.wikipedia.org/wiki/Control_network" class="extiw" title="en:Control network">control network</a> through the optical plummet of a prism adapter on a <a href="https://en.wikipedia.org/wiki/Tribrach_(instrument)" class="extiw" title="en:Tribrach (instrument)">tribrach</a> on a surveyers <a href="https://en.wikipedia.org/wiki/Tripod_(surveying)" class="extiw" title="en:Tripod (surveying)">tripod</a>. There is obviously a big centering error. When the tribrach is properly centered above the point, the crosshairs will split the inner diameter of the tube in four equal pieces. Photo taken in <a href="https://en.wikipedia.org/wiki/Vaxholm_Municipality" class="extiw" title="en:Vaxholm Municipality">Vaxholm</a> in the Stockholm archipelago in Sweden. |
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