File:Chappe code - c. 1809.svg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:34, 22 September 2019 | ![]() | 1,318 × 872 (118 KB) | Spinningspark | {{Information |Description=Chappe code c. 1809 |Source=Self created using Inkscape |Date=22nd September 2019 |Author=~~~ |other_versions= }} == Licensing == {{cc-by-sa-3.0|Courtesy [http://en.wikipedia.org/wiki/User:Spinningspark Spinningspark at Wikipedia]}} {{KeepLocal}} == References == * Bouchet, Olivier, ''Wireless Optical Communications'', Wiley, 2012 {{ISBN|1848213166}}. |
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