File:Heliotrope6.jpg

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Heliotrope6.jpg(700 × 458 pixels, file size: 111 KB, MIME type: image/jpeg)

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Description
English: Heliotrope used for directing sun's rays to distant observer. Used to illuminate station site so far distant observer could measure angles.
Source NOAA's Historic C&GS (Coast and Geodetic Survey) Collection. Image ID: theb3904
Author US National Oceanic and Atmospheric Administration
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Public domain
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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Date/TimeThumbnailDimensionsUserComment
current10:53, 11 June 2008Thumbnail for version as of 10:53, 11 June 2008700 × 458 (111 KB)Waldyrious (talk | contribs){{Information |Description={{en|1=dgfj}} |Source=gf |Author=dgfj |Date= |Permission={{PD-USGov}} |other_versions= }} {{ImageUpload|full}}

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