Semaphore von Scott, J. Randolf, wie neu gebraucht, kostenloser Versand in die USA
14,64 €
Semaphore by Scott, J. Randolf, ISBN 1717304362, ISBN-13 9781717304360, Like New Used, Free shipping in the US The amazing story of Edward Raine, instrument maker, told through his Workshop Not, who created an optical filament telegraph for the British Admiralty in 1817, that connected London to the coastal ports of Chatham, Portsmouth, Devonport and Falmouth. He also invented sophisticated coding and decoding machines that were used for the next thirty years, until his telegraph was replaced by an electric telegraph. He was a pioneer almost two centuries before his time.
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