File:Tellurometer triangulations station photos Africa Ethiopia.jpg

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Captions

Captions

Typical mountaintop triangulation stations with tellurometers in Africa and Ethiopia circa 1960

Summary

[edit]
Description
English: Typical mountaintop triangulation stations with tellurometers in Africa and Ethiopia circa 1960
Date circa 1960
date QS:P,+1960-00-00T00:00:00Z/9,P1480,Q5727902
Source

https://www.noaa.gov/digital-library/search/item?search_api_fulltext=Tellurometer&page=14 (unstable link)

https://www.noaa.gov/digital-library "Tellurometer measurements from typical mountain top triangulation stations."
Author NOAA/NOS/National Geodetic Survey

Licensing

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Public domain
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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