Search results
Alexander Graham Bell. Bell's March 10, 1876, laboratory notebook entry describing his first successful experiment with the telephone. Alexander Graham Bell had pioneered a system called visible speech, developed by his father, to teach deaf children. In 1872 Bell founded a school in Boston, Massachusetts, to train teachers of the deaf.
Alexander Graham Bell var en amerikansk fysiker og oppfinner. Han var en av pionerene i telefonens historie.Bell begynte sammen med sin far å undervise i stemmebruk og lære døve å tale etter et system for «synlig tale» som faren hadde utviklet. Han kom i 1871 til Boston for å utdanne døvelærere i farens system. Dette arbeid brakte ham inn på undersøkelser som ledet til utvikling av ...
29 de ago. de 2022 · When Alexander Graham Bell passed away one hundred years ago in 1922, the telephone was forty-six years old. If somehow he were still here today, he would surely marvel at the many advances his society-changing invention has gone through since its birth in 1876.
In 1876, at the age of 29, Alexander Graham Bell invented the telephone. In 1877, he formed the Bell Telephone Company, and in the same year married Mabel Hubbard and embarked on a yearlong honeymoon in Europe. Alexander Graham Bell's design sketch of the telephone. Sketches, undated; handwritten text top and bottom of page, 1876.
Bell's telephone patent beat that of American Elisha Gray, whose own device worked on similar principles. Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born inventor, scientist, and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT ...
Alexander Graham Bell. Alexander Graham Bell (Edinburgh, 3 maart 1847 – Baddeck Bay (Nova Scotia, Canada), ... Op 14 februari 1876 diende Bell zijn octrooiaanvraag van de telefoon in. Hoewel uit het apparaat van Bell nauwelijks een gesproken woord kwam, ...
Alexander Graham Bell, född 3 mars 1847 i Edinburgh, Skottland, död 2 augusti 1922 på Beinn Bhreagh nära Baddeck i Nova Scotia, ... En representant för Bell lämnade på förmiddagen den 14 februari 1876 in en patentansökan om telefonen till patentmyndigheten i Washington D.C.
