File:Gilbert terrella.png: Difference between revisions

Latest revision as of 13:05, 3 September 2018

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Attribution: By William Gilbert - see above, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3908152

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:03, 3 September 2018		161 × 167 (22 KB)	Admin (talk \| contribs)	Nonfiction: William Gilbert's terrella. == In the News == <gallery> </gallery> == Fiction cross-reference == * Crimes against mathematical constants * Gnomon algorithm * [[Gnomon Ch...

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 * [https://en.wikipedia.org/wiki/Terrella Terrella] @ Wikipedia
-Attribution: By Uploaded by Jan Tresman; original image by Kristian Birkeland - Sourced from the book, The Norwegian Aurora Polaris Expedition 1902-1903, Volume 1: On the Cause of Magnetic Storms and The Origin of Terrestrial Magnetism, Section 2. Chapter VI: p.667 (published in 1913), By en:Kristian Birkeland (1867-1917) also on the Web at http://www.catastrophism.com/texts/birkeland/, Public Domain, https://commons.wikimedia.org/w/index.php?curid=28050795
+Attribution: By William Gilbert - see above, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3908152
 [[Category:Nonfiction (nonfiction)]]
 [[Category:Machines (nonfiction)]]