The Early History of Data Networks

Most of us would consider the emergence of large-scale communication networks to be a 20th century phenomenon. Yet, the first nationwide data networks were built not in this century but almost 200 years ago. Well before the electromagnetic telegraph was invented, many countries in Europe had fully operational data communications systems, with altogether close to 1,000 network stations. This book gives a fascinating glimpse of the many documented attempts throughout history to develop effecti…