GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Elevator
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Telephone
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Railroad
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Light Bulb
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Sewing Machine
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Detailed explanation-1: -Answer. Alexander Graham Bell is credited with being the inventor of the telephone since his patent and demonstrations for an apparatus designed for “transmitting vocal or other sounds telegraphically… causing electrical undulations” were successful. First Bell Telephone, June 1875.
Detailed explanation-2: -How was the telephone invented? Bell in 1876, aged 29. In the 1870s, Scotsman Alexander Graham Bell was working at the Clarke Institute for Deaf Mutes, Northampton, Massachusetts.
Detailed explanation-3: -He also worked in medical research and invented techniques for teaching speech to the deaf. Bell’s extensive range of genius included patents for the telephone and telegraph, the photophone, aerial vehicles, and hydro-planes.