WESTWARD EXPANSION INDUSTRIALIZATION URBANIZATION 1870 1900
AMERICAN INDUSTRY DEVELOPMENT IN THE GILDED AGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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computer
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phone
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saw
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camera
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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: -On 7 March 1876, Alexander Graham Bell was granted a patent for the telephone-but did he invent it?
Detailed explanation-3: -It was through his work with the deaf and his careful study of how sound is transmitted via the human voice that led Bell to the invention of the telephone. Fascinated by Samuel Morse’s telegraph, Bell set out to use what he knew about sound and speech to improve upon the idea of transmitting communication.
Detailed explanation-4: -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.