10 sentences on telephone invention for class I
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*telephone was invented in 1876
*it was invented by alexander graham bell
*it is one of the best invention of the 19th century
In 1877-78, the first telephone line was constructed
*Within 50 years of its invention, the telephone had become an indispensable tool in the United States.
*Three years later after invention, almost 49,000 telephones were in use
*By 1900 there were nearly 600,000 phones in Bell's telephone
*During World War I, the government nationalized telephone and telegraph lines in the United States from June 1918 to July 1919
*By 1948, the 30 millionth phone was connected in the United States;
* In 1993, the first digital cellular network went online in Orlando, Florida;
*people said the telephone would: help further democracy
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