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  • 21 Aug, 2019

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File:EARNSHAW 509 165.jpg

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Date/TimeThumbnailDimensionsUserComment
current21:07, 1 January 2012Thumbnail for version as of 21:07, 1 January 20122,228 × 2,454 (827 KB)Spinningsparkcropped
20:50, 1 January 2012Thumbnail for version as of 20:50, 1 January 20122,340 × 3,310 (961 KB)Spinningspark{{Information |Description=Page from the Greenwich Observatory ledger of chronometer movements showing Earnshaw 509, one of the chronometers on the voyage of the Beagle. |Source=Greenwich Observatory |Date=1823-1888 |Author=Greenwich Observatory |othe

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