The Telegraph in America, 1832-1920 by David Hochfelder

The Telegraph in America, 1832-1920

David Hochfelder

250 pages first pub 2012 (view editions)

nonfiction history informative reflective medium-paced
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Telegraphy in the nineteenth century approximated the internet in our own day. Historian and electrical engineer David Hochfelder offers readers a comprehensive history of this groundbreaking technology, which employs breaks in an electrical curre...

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