WordPress.com



5439905-91439900ALEXANDER GRAHAM BELL543215624147200Occupation:?InventorBorn:?March 3, 1847 in Edinburgh, ScotlandDied:?August 2, 1922 in Nova Scotia, CanadaBest known for:?Inventing the telephoneAlexander Early lifeHe grew up in Scotland and was home schooled by his father who was a professor. He later attended high school as well as Edinburgh University.Alexander didn’t have the middle name “Graham” until he turned 11 when his father gave it to him as a birthday present. Bell became an excellent piano player at a young age.When he was 23, Bell and his parents moved to Canada.Bell’s mother and wife were both deaf, this had an influence on his work.What jobs did Alexander Graham do? Bell studied the human voice and worked with various schools for the deaf.He worked on acoustic telegraphy with his assistant, an electrical designer named Thomas Watson.Bell experimented with sound, working with devices such as a ‘harmonic telegraph’ (used to send multiple messages over a single wire) and a ‘phonautograph’ (used to record sound).What are other inventions of Graham?Bell did experimentation in many areas of science. Some of these include:Bell invented the first metal detector which was used to try and find a bullet inside of President James Garfield.Bell invented Audiometer - A device used to detect hearing problems.He did experimental work on aeronautics and hydrofoils.He invented techniques which helped in teaching speech to deaf persons.He made a device to help find icebergs. ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download