AM radio was introduced in 1906 by a Canadian engineer named Reginald Fessenden. It was one of the first voice and music broadcasting system, as opposed to previous point to point communication systems which were only allowing direct communications.
Radio communications was first introduced in the late 1800s with the telegram service. Several antques from that era sell well at www.ebay.com and also, www.amazon.com for more information.
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way back then
Cheerios
mbs
Tonto
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