A biography and life work of alexander graham bell a scottish inventor

Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Mabel had become deaf at age five as a result of a near-fatal bout of scarlet fever. Bell began working with her inwhen she was 15 years old.

Baddeck, Nova Scotia, Canada Scottish-born American inventor Alexander Graham Bell, Scottish-born American inventor and teacher of the deaf, is best known for perfecting the telephone to transmit, or send, vocal messages using electricity.

The telephone began a new age in communications technology. His father, Alexander Melville Bell, was an expert on the mechanics of the voice and on elocution the art of public speaking. His grandfather, Alexander Bell, was an elocution professor. Eliza taught Alexander, who was the middle of three brothers, until he was ten years old.

When he was a youth he took a challenge from a mill operator and created a machine that removed the husks from grain.

He would later call it his first invention. In Bell made scientific studies of the resonance vibration of the mouth while speaking. In his parents, in search of a healthier climate, convinced him to move with them to Brantford, Ontario, Canada.

He also tutored private students, including Helen Keller — As professor of voice and speech at Boston University inhe initiated conventions for teachers of the deaf.

Throughout his life he continued to educate the deaf, and he founded the American Association to Promote the Teaching of Speech to the Deaf.

Inventing the telephone From to Bell experimented with many inventions, including an electric speaking telegraph the telephone. The funds came from the fathers of two of his students.

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To help deaf children, Bell experimented in the summer of with a human ear and attached bones, magnets, smoked glass, and other things. He conceived the theory of the telephone: That same year he invented a telegraph that could send several messages at once over one wire, as well as a telephonic-telegraphic receiver.

Bell supplied the ideas; Thomas Watson created the equipment. Working with tuned reeds and magnets to make a receiving instrument and sender work together, they transmitted a musical note on June 2, The exact hour was not recorded, but on that same day Elisha Gray — filed his caveat intention to invent for a telephone.

Patent Office granted Bell the patent for the "electric speaking telephone" on March 7. It was the most valuable single patent ever issued. It opened a new age in communications technology. By accident, Bell sent the first sentence, "Watson, come here; I want you," on March 10, The first public demonstration occurred at the American Academy of Arts and Sciences convention in Boston two months later.

Emperor Dom Pedro of Brazil — ordered one hundred telephones for his country.

The telephone, which had been given only eighteen words in the official catalog of the exposition, suddenly became the "star" attraction. Establishing an industry Repeated demonstrations overcame public doubts.

The first two-way outdoor conversation was between Boston and Cambridge, Massachusetts, by Bell and Watson on October 9, In the first telephone was installed in a private home; a conversation took place between Boston and New York using telegraph lines; in May the first switchboard a central machine used to connect different telephone linesdevised by E.

Holmes in Boston, was a burglar alarm connecting five banks; and in July the first organization to make the telephone a commercial venture, the Bell Telephone Company, was formed.Apr 22,  · Alexander Graham Bell - Scientist and inventor known for his work on the telephone: Alexander Graham Bell was a Scottish-born scientist, inventor, .

Nov 09,  · Watch video · Bell was born on March 3, in Edinburgh, Scotland, the second born son of Alexander Melville Bell, a teacher of elocution, and .

Alexander Bell Biography. Alexander Graham Bell () Scottish inventor, most notably credited with inventing the modern telephone. He made many important discoveries and inventions throughout his life.

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He wrote of his passion for inventing: “The inventor looks upon the world and is not contented with things as they are. Alexander Graham Bell Biography The person responsible for changing the face of communication in the world was Alexander Graham Bell. And, this is a brief overview of this is a brief overview of his life and work.

This famous inventor was Scottish by birth, with his birth taking place in Edinburgh on 3 March His parents Alexander. Alexander Graham Bell: Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone () and refinement of the phonograph ().

He also worked on use of light to transmit sound, development of a metal detector, and heavier-than-air flight. Alexander Graham Bell was an influential scientist, engineer and inventor.

He was born on March 3, in Edinburgh, Scotland. He died on August 2, at the age of