File:PSM V22 D169 Greenwich clock escapement.jpg
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Original file (2,000 × 1,155 pixels, file size: 224 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:54, 13 July 2014 | 2,000 × 1,155 (224 KB) | Ineuw | Cleaned image and improved contrast | |
03:49, 29 August 2010 | 2,124 × 1,300 (318 KB) | Ineuw | {{Information |Description = Greenwich clock escapement |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_22.djvu/169 |Date = 1882-1883 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Category:Popular Sc |
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