File:PSM V40 D772 Counting pendulum oscillations at 120 seconds interval.jpg

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PSM_V40_D772_Counting_pendulum_oscillations_at_120_seconds_interval.jpg ‎(701 × 245 pixels, file size: 16 KB, MIME type: image/jpeg)

Description Counting pendulum oscillations at 120 seconds interval
Date between 1891 and 1892
date QS:P,+1891-00-00T00:00:00Z/8,P1319,+1891-00-00T00:00:00Z/9,P1326,+1892-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 40
Author Unknown authorUnknown author
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Extracted image from book, to grayscale, cropped whitespace. Modifications made by Ineuw. The original can be found here: Popular Science Monthly Volume 40.

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Date/TimeThumbnailDimensionsUserComment
current00:24, 12 December 2010Thumbnail for version as of 00:24, 12 December 2010701 × 245 (16 KB)Ineuw{{Information |Description = Counting pendulum oscillations at 120 seconds interval |Source = [http://www.archive.org/details/popularsciencemo401892newy Popular Science Monthly Volume 40] |Date = 1891-1892 |Author = Unknow

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