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Communication Technology in the Past. Visual and Auditory. Alphorn (communicate between alpine peaks). Smoke. Horn (made from conch shell). Drum. Runner-human. The Greek runner in 490 BC. The Native American runner. Animal.
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Visual and Auditory Alphorn (communicate between alpine peaks) Smoke Horn (made from conch shell) Drum
Runner-human The Greek runner in 490 BC The Native American runner
Animal Horseback riders of Pony Express were posted at 157 stations over 1800 miles from Missouri to California.
Telegraph • A device for transmitting and receiving messages over long distances by electric • A telegraph message sent by an electrical telegraph operator or telegrapher using Morse code • Since the late 1800s, tapping the telegraph key has served