File:PSM V40 D646 Early keyboard from an ancient engraving.jpg
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Size of this preview: 303 × 600 pixels. Other resolutions: 121 × 240 pixels | 242 × 480 pixels | 811 × 1,605 pixels.
Original file (811 × 1,605 pixels, file size: 210 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:49, 15 November 2015 | 811 × 1,605 (210 KB) | Ineuw | Cleaned image and improved contrast | |
23:25, 11 December 2010 | 841 × 1,606 (223 KB) | Ineuw | {{Information |Description = Early keyboard from an ancient engraving |Source = [http://www.archive.org/details/popularsciencemo401892newy Popular Science Monthly Volume 40] |Date = 1891-1892 |Author = Unknown |Permission |