File:Soemmerring 1810 telegraph overview.jpg

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Svenska: Tab. V (following page 414). Overview of Sömmerring's electric telegraph.
Date
Source Illustration plates IV and V, following page 414, Denkschriften der Königlichen Akademie der Wissenschaften zu München (1809-1810), as scanned by the Internet Archive
Author Article written by Samuel Thomas von Sömmerring, plates signed "Chr. Koeck del. 1809. M. Aug." (lower left; artist Christian Koeck, 1758-1818) and "J. S. Walwert sculps." (lower right; engraver Jakob Samuel Walwert)
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Date/TimeThumbnailDimensionsUserComment
current01:12, 27 January 2024Thumbnail for version as of 01:12, 27 January 20241,747 × 2,620 (392 KB)Mblumber (talk | contribs)change to grayscale, adjust levels
19:59, 1 September 2013Thumbnail for version as of 19:59, 1 September 20131,747 × 2,620 (275 KB)LA2 (talk | contribs)User created page with UploadWizard

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