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File:PSM V84 D106 Side view of the atwood celestial sphere from west.jpg

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Description Side view of the Atwood Celestial Sphere from west, showing entrance.
Source The Popular science monthly, Volume 84, p102. New York, Popular Science Pub. Co., January 1914. Online: archive.org.
Author Unknown authorUnknown author
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:PSM_V84_D106_Side_view_of_the_atwood_celestial_sphere_from_west.jpg

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current20:41, 24 March 2018Thumbnail for version as of 20:41, 24 March 2018623 × 776 (71 KB)Ineuw (talk | contribs)added frame
14:18, 14 March 2011Thumbnail for version as of 14:18, 14 March 20111,573 × 1,964 (238 KB)Martin H. (talk | contribs)

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