File:U.S. Department of Energy - Science - 298 044 001 (27073191205).jpg

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CAMPBELL STOKES SUNSHINE RECORDER, WHICH ARE NOT IN GENERAL USE ANYMORE, BUT IT'S AN INTERESTING HISTORICAL INSTRUMENT.

It records sunshine by burning a trace on a daily paper log that can then be measure in length to quantify daily sunshine. Designed in the late 1800's data from such devices have been used to build historical databases for solar resources assessment worldwide.

For more information or additional images, please contact 202-586-5251.
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Source 298 044 001
Author U.S. Department of Energy from United States

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Public domain This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

Please note that national laboratories operate under varying licences and some are not free. Check the site policies of any national lab before crediting it with this tag.

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This image was originally posted to Flickr by U.S. Department of Energy at https://flickr.com/photos/37916456@N02/27073191205. It was reviewed on 22 November 2017 by FlickreviewR 2 and was confirmed to be licensed under the terms of the United States Government Work.

22 November 2017

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current00:42, 22 November 2017Thumbnail for version as of 00:42, 22 November 20173,648 × 2,736 (1.08 MB)Rudolphous (talk | contribs)Transferred from Flickr via Flickr2Commons

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