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The church of Montmartre, with the Chappe telegraph tower, c1825.
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The church of Montmartre, with the Chappe telegrap...

First telegraph despatch from Lyon, 4 March 1815, (1921). Creator: Unknown.
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First telegraph despatch from Lyon, 4 March 1815, ...

Claude Chappe demonstrating his optical telegraph (semaphore) system in 1793 (c1870). Artist: Unknown
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Claude Chappe demonstrating his optical telegraph ...

Sectional view of a telegraph tower for Claude Chappe's semaphore, 1792, (c1870). Artist: Unknown
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Sectional view of a telegraph tower for Claude Cha...

First Chappe telegraph message from St Petersburg, early 19th century, (c1870). Artist: Unknown
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First Chappe telegraph message from St Petersburg,...

Napoleon's troops defending a telegraph tower, c1815, (c1870). Artist: Unknown
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Napoleon's troops defending a telegraph tower, c18...

Building a Chappe telegraph station, c1793, (c1870). Artist: Anon
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Building a Chappe telegraph station, c1793, (c1870...