He continued to pursue the studies that were to lead to the invention of the telephone. Watson, come here; I want you"]. Dictionary of American Biography. The inspiring stories of 6 people who changed history. From prehistoric Scotland to the referendum for independence, this little book covers all the main events throughout Scotland's history. He moved to the U.
Bell's patent was possibly the most valuable ever issued, for it gave birth to what later became the world's largest private service organization, the Bell Telephone Company. Bell had other scientific and technological interests: This summary was created using Commons SumItUp Licensing[ edit ] Public domainPublic domainfalsefalse This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or less. Almost simultaneously, but quite independently, Elisha Gray had achieved a similar result. Watson, come here; I want you"]. After a period of litigation, the US Supreme Court awarded Bell priority, although Gray's device was technically superior. Dictionary of American Biography. Professor of physiology in Boston University, He approached the problem from the background of the theory of sound and voice production rather than from that of electrical science, and by he had succeeded in constructing a rough model. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Mexico has years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. At this time he read Helmholtz's The Sensations of Tone, an important work on the theory of sound that was to exert a considerable influence on him. In , three years after becoming a naturalized US citizen, Bell married the deaf daughter of his first backer. In he went to Elgin, Morayshire, as a pupil teacher in elocution, with a year's break to study at Edinburgh University; it was in , while still in Elgin, that he first conceived the idea of the electrical transmission of speech. In he accompanied his parents when they emigrated to Canada. Library of Congress Scottish born American inventor of the telephone. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. He went as a master to Somersetshire College, Bath now in Avon , and in he moved to London to assist his father, who had taken up the grandfather's work in elocution. There, he continued to work on his theory that sound wave vibrations could be converted into a fluctuating electric current, be sent along a wire and then be converted back into sound waves by means of a receiver. Born in Edinburgh, as a child he was taught mainly at home. In the same year, he matriculated at London University, studying anatomy and physiology, and also began teaching the deaf. In August of that year, they travelled to Europe to combine a honeymoon with promotion of the telephone. Only three days earlier, Bell's first patent for the telephone had been granted. The race was on to invent the first telephone. Joseph Henry — , cientista norte-americano, ainda em vida foi considerado o maior desde Benjamin Franklin.
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