File:PSM V03 D423 Morse telegraph.jpg

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Description Morse telegraph
Date between 1872 and 1873
date QS:P,+1872-00-00T00:00:00Z/8,P1319,+1872-00-00T00:00:00Z/9,P1326,+1873-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 3
Author Unknown authorUnknown author
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current19:10, 26 June 2010Thumbnail for version as of 19:10, 26 June 20101,293 × 907 (238 KB)Ineuw{{Information |Description = Morse telegraph |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_3.djvu/423 |Date = 1872-1873 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} {{GFDL-user-w|en|Wikisource|Ineuw}

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