File:Heike Kamerlingh Onnes and Johannes Diderik van der Waals.jpg

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Description Johannes Diderik van der Waals (right) and Heike Kamerlingh Onnes in Leiden in front of the helium-‘liquefactor’ http://www.science.uva.nl/research/itf/history.php
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Source http://www.science.uva.nl/research/itf/images/vdwaals_large.jpg
Author Unknown authorUnknown author
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(Reusing this file)		 PD by age
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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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Date/TimeThumbnailDimensionsUserComment
current20:18, 3 November 2013Thumbnail for version as of 20:18, 3 November 2013691 × 980 (216 KB)Quibik (talk | contribs)Removed moire caused by halftone.
19:05, 23 June 2006Thumbnail for version as of 19:05, 23 June 2006696 × 985 (143 KB)JdH (talk | contribs){{Information| |Description=Johannes Diderik van der Waals http://www.science.uva.nl/research/itf/history.php |Source=http://www.science.uva.nl/research/itf/images/vdwaals_large.jpg |Date=before 1923 |Author= |Permission=PD by age (van der Waals died in 1
13:26, 23 January 2005Thumbnail for version as of 13:26, 23 January 2005696 × 985 (143 KB)Svdmolen (talk | contribs)Johannes Diderik van der Waals {{PD}}

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