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Unformatted text preview: Guinea, parts of South America
o Simulated language
• Also as battle commands, etc. among Europeans and colonial/U.S.
Many different types of telegraphs in the 18th and 19th centuries
o Conveyed information by visual signals
o semaphore telegraph
o optical telegraph
o flag semaphores; flag signals
Morse’s first telegraph message,
24 May 1844,
used electricity to deliver messages
o Supreme Court in Wash. D.C. to Baltimore
o Invention of the telegraph speeds communication from 30 mph (horseback) to
186,000 miles per second
o First to make instantaneous, point-to-point, long-distance communication possible
o Morse Code uses system of dots and dashes
Telegraph: the Cultural Impact
o By 1850 most large U.S. cities linked together o Standardized, stabilized, and linked market prices, changing how we buy and sell
o Became an indispensable military tool
o Allows up-to-date news from distant sources
Impacts of the telegraph
The Associated Press was formed in 1848 when six New York newspapers agreed to share one
correspondent in Boston. The AP eventually became a natio...
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This note was uploaded on 01/30/2013 for the course COMM 101 taught by Professor Mcdonald during the Winter '07 term at Ohio State.
- Winter '07
- The American