Most of us would consider the emergence of large-scale
communication networks to be a twentieth-century phenomenon. The
first nationwide data networks, however, were built almost two
hundred years ago. At the end of the eighteenth century, well
before the electromagnetic telegraph was invented, many countries
in Europe had fully operational data communications systems, with
altogether close to one thousand network stations.
This book gives a fascinating glimpse of the many documented
attempts throughout history to develop effective means for
long-distance communications. The oldest attempts date back to
millennia before Christ, and include ingenious uses of homing
pigeons, mirrors, flags, torches, and beacons.
The book then shows how Claude Chappe, a French clergyman,
started the information revolution in 1794, with the design and
construction of the first true telegraph network in France. Another
chapter contains the first English translation of a remarkable
document on the design of optical telegraphs networks, originally
written in 1796 by the Swedish nobleman Abraham Niclas
Edelcrantz.
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