File:PSM V12 D579 Telephone diagram 1.jpg
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Size of this preview: 800 × 271 pixels. Other resolutions: 320 × 108 pixels | 874 × 296 pixels.
Original file (874 × 296 pixels, file size: 25 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:50, 29 July 2010 | 874 × 296 (25 KB) | Ineuw | {{Information |Description = Telephone diagram 1 |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_12.djvu/579 |Date = 1877-1878 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} {{GFDL-user-w|en|Wikisource| |
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