Alexander Graham Bell Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. Edinburgh, the capital of Scotland This is Edinburgh, - презентация

1 Alexander Graham Bell

2 Alexander Graham Bell was born in 1847 in Edinburgh, Scotland. Edinburgh, the capital of Scotland This is Edinburgh, the capital of Scotland 2

3 His father was a world-famous Professor of phonetics and the inventor of a system which he called "Visible Speech". It helped the deaf to pronounce words they could not hear. This is Alexander Melville Bell, father to Alexander Graham 3

4 Alexander chose the same profession and as his father he became a teacher of the deaf. He moved to the United States and began to teach deaf children to speak. At the same time he studied the human voice and worked at improving his father's invention. 3

5 He put his ear to the receiver and was waiting. Suddenly he heard Bell's voice. And not the voice only but the words too: "Mr. Watson, come here. I want to see you!" Watson ran upstairs and shouted, "I heard you! " Тhe telephone was invented the 10th of March,

6 In 1880 the French Government awards Bell the Volta Prize of 50,000 francs for the invention of the electric speaking telephone. He uses the prize money to set up the Volta Laboratory where he invented the photo phone that transmitted sounds through light. This is the photo phone 5

7 Its interesting to know that Alexander Graham Bell …. became one of the founders of the National Geographic Society in was an excellent piano player at a young age. invented a kite that was able to carry a person. developed the hydrodrome which was a type of the fastest boat in the world for years with a top speed of 50+ mph. 6

8 "The day will come when the man at the telephone will be able to see the distant person to whom he is speaking." Alexander Graham Bell 7