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Much has been heard about laying the under-sea telegraph cables across the Atlantic and other oceans, particularly around the 150th anniversary of the first transatlantic cable laid in 1866. However, the need to extend the telegraph lines, mainly over land routes to, and across, India was also vital to British colonial and military interests.

With strained relations between Britain and several other European countries in the mid-18th century, there was also a need to route the lines to avoid crossing unfriendly countries. Before the technology for underwater cables had been perfected, there were sometimes gaps in the route, requiring messages to be forwarded by steamer before re-entering the telegraph system.

About the Speaker

Dr John Moyle is a Chartered Engineer, retired physician & anaesthetist plus historian with a particular interest in telegraphy and medical technology.