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The Telegraph Online is the Internet version the Telegraph of Nashua, New Hampshire. ... The Telegraph would like to talk with you for an upcoming story. Contact Business Editor Ashley Smith at 594-6446 by email.
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Samuel F. B. Morse conceived of an electromagnetic telegraph in 1832 and constructed an experimental version in 1835. He did not construct a truly practical system until 1844, when he built a line from Baltimore to Washington, D.C.
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articles focusing on U.S. telegraph history ... This site contains several articles that focus on U.S. Telegraph-History. The majority of these articles first appeared in the "Key and Telegraph" column of "The AWA Journal," the quarterly magazine of the; Antique Wireless Association (A non-profit...
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Telegraphy - Wikipedia, the free encyclopedia
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A very simple telegraph has four parts: a battery that provides electricity, a telegraph key for sending signals, an electromagnetic sounder at the receiving end, and a piece of wire connecting the sender and receiver.
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An interactive historical and pictorial review of telegraph and wireless telegraph keys. Included is a comprehensive listing of the manufacturers actively building equipment and keys during the spark-era of radio. ... Welcome To The Sparks Telegraph Key Review...
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Telegraph, system of communication employing electrical apparatus to transmit and receive signals in accordance with a code of electrical pulses ... ... Telegraph, system of communication employing electrical apparatus to transmit and receive signals in accordance with a code of electrical pulses (see Telecommunications).
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