GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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telephone
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telegraph
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Internet
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electrical services
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Detailed explanation-1: -It was at this time, 1876–1877, that a new invention called the telephone emerged. It is not easy to determine who the inventor was. Both Alexander Graham Bell and Elisha Gray submitted independent patent applications concerning telephones to the patent office in Washington on February 14, 1876.
Detailed explanation-2: -Most notably, Bell is credited for his invention of the telephone, which grew out of his research on the telegraph. Thanks to his contributions, communications continue to expand and improve across the globe, allowing people to stay connected from virtually anywhere.
Detailed explanation-3: -Alexander Graham Bell initially used Visible Speech, a method developed by his father, Alexander Melville Bell, to teach deaf people, including Helen Keller and his future wife Mabel.
Detailed explanation-4: -Alexander Graham Bell demonstrated this type of phone when he visited Britain in 1877-78. Known as ‘Bell’s box telephone’, it was the very first type of telephone to go on sale.