File:Eratosthenes' method for determining the size of the Earth.png

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English: taken from the public domain source Geodesy for the Layman at http://www.ngs.noaa.gov/PUBS_LIB/Geodesy4Layman/TR80003A.HTM#ZZ4 Category:Images of Earth
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Other versions Derivative works of this file:  Eratosthenes' method for determining the size of the Earth.svg


This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Redrew; Cleand up; converted to .png. The original can be viewed here: Eratosthenes' method for determining the size of the Earth.GIF: . Modifications made by Gregor Shapiro.


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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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This image is a derivative work of the following images:

  • File:Eratosthenes'_method_for_determining_the_size_of_the_Earth.GIF licensed with PD-USGov-NOAA
    • 2010-05-24T13:04:44Z It Is Me Here 646x900 (383172 Bytes) •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••

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Date/TimeThumbnailDimensionsUserComment
current13:16, 4 October 2016Thumbnail for version as of 13:16, 4 October 2016667 × 929 (46 KB)Cmdrjameson (talk | contribs)Compressed with pngout. Reduced by 84kB (64% decrease).
10:07, 14 January 2011Thumbnail for version as of 10:07, 14 January 2011667 × 929 (130 KB)Gregors (talk | contribs){{Information |Description={{en|taken from the public domain source Geodesy for the Layman at http://www.ngs.noaa.gov/PUBS_LIB/Geodesy4Layman/TR80003A.HTM#ZZ4 Category:Images of Earth}} |Source=*[[:File:Eratosthenes'_meth

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