File:PSM V41 D656 Counting metronome 90 seconds trace of right and left hands.jpg

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Description Counting metronome 90 seconds trace of right and left hands
Date
Source Popular Science Monthly Volume 41
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 41.

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current08:32, 5 January 2011Thumbnail for version as of 08:32, 5 January 2011903 × 561 (20 KB)Ineuw (talk | contribs){{Information |Description = Counting metronome 90 seconds trace of right and left hands |Source = [http://www.archive.org/details/popularsciencemo41newy Popular Science Monthly Volume 41] |Date = 1892 |Author = Unknown |

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