File:PSM V18 D026 The crova pyrheliometer.jpg

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Description The Crova pyrheliometer
Date between 1880 and 1881
date QS:P,+1880-00-00T00:00:00Z/8,P1319,+1880-00-00T00:00:00Z/9,P1326,+1881-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 18
Author Unknown authorUnknown author
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Public domain

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Date/TimeThumbnailDimensionsUserComment
current20:38, 22 February 2014Thumbnail for version as of 20:38, 22 February 20141,326 × 1,091 (106 KB)IneuwImproved image contrast
03:38, 19 August 2010Thumbnail for version as of 03:38, 19 August 20101,375 × 1,115 (97 KB)Ineuw{{Information |Description = The Crova pyrheliometer |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_18.djvu/26 |Date = 1880-1881 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Category:Popular Scienc
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