Do you know that only 200 years ago, the only way that one person could send a message to another person was by letter or messenger? It’s hard to imagine now, with our smartphones and computers at our fingertips. From the invention of the telegraph in the 1830s all the way through to the wearable technology of the present day, this book charts the incredible history of telecommunications.
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Lingua Inglese ● Formato PDF ● ISBN 9781474740449 ● Casa editrice Capstone Global Library ● Pubblicato 2017 ● Scaricabile 3 volte ● Moneta EUR ● ID 7043032 ● Protezione dalla copia Adobe DRM
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