The telephone was invented in 1876 by Alexander Graham Bell,a Scotsman who became a US citizen. The word" telephone" had been in (21)..........existence since the 1830s and had been applied to a number of inventions designed to produce sound.
Bell had become interested in the possibility of long-distance speech through (22).........his work with the deaf. He was twenty-eight and his assistant, Thomas Watson , was just (23).......twenty-one when they achieved their great success on 10th march 1876. Despite their long and close association, Bell's first communication by telephone was not " Tom, come here, I want you" but (24)...... Mr Watson , come here, I want you".
Filled (25)....... with excitement , Bell and Watson demonstrated their invention to a US telegram company. The company wrote to Bell, saying (26).......that his invention was interesting . However, after giving (27) .....it careful consideration, they had come to the conclusion that it had "no future". Fortunately for Bell, others could see the possibilities. . Within (28).......four years of its invention , the US had 60000 telephones. In the next twenty years that figure increased to over 6 million.
Today, ninety-three per cent of US homes have a phone, a level (29)......of phone ownership no other nation comes near to equaling. Each US household makes or receives on (30).......average 3,516 calls per year , and astonishing statistic.
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