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

'Louis XVI. Gold Repeater, (c.1770), Old Chelsea Porcelain Porringer and Cover, (c.1710), 1903. Artist: Unknown
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'Louis XVI. Gold Repeater, (c.1770), Old Chelsea P...

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
HRM19B65_196

Sectional view of a telegraph tower for Claude Cha...

Repeater Station, Dover Castle Wartime Tunnels, Kent, 2011
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Repeater Station, Dover Castle Wartime Tunnels, Ke...

Tunnels beneath the White Cliffs of Dover, Kent, 1995
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Tunnels beneath the White Cliffs of Dover, Kent, 1...