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Alexander Graham Bell

Alexander Graham Bell was a scientist who invented the first telephone.

Слайды и текст этой презентации

Слайд 1 Alexander Graham Bell
1847-1922
"The inventor looks upon the

world and is not contented with things as they are.

He wants to improve whatever he sees, he wants to benefit the world; he is haunted by an idea. The spirit of invention possesses him, seeking materialization.“
Alexander Graham Bell

Alexander Graham Bell1847-1922

Слайд 2 Alexander Graham Bell was a scientist who invented the

first telephone.

Alexander Graham Bell was a scientist who invented the first telephone.

Слайд 3Alexander Graham Bell
was born in 1847 in Edinburgh, Scotland.



Edinburgh, the capital of Scotland
This is Edinburgh, the

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

Слайд 4His 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

His father was a world-famous Professor of phonetics and the inventor of a system

Слайд 5 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.



Alexander chose the same profession,  and as his father he became a

Слайд 6Bell’s mother and wife were both deaf.

This had a major influence on his work.

This is Alexander Graham Bell's wife,  Mabel Gardiner Hubbard.

This is Eliza Grace Symonds,
mother to Alexander Graham.

Bell’s mother and wife were both deaf.

Слайд 7Then Alexander Bell began
experimenting with a
machine to help the deaf
hear.

While experimenting,
Graham had an idea.
He decided to send the


voice from one place to
another.
For years Bell and his
assistant Thomas Watson,
worked day and night.

Then Alexander Bell beganexperimenting with amachine to help the deafhear. While experimenting,Graham had an idea. He decided

Слайд 8 At last they decided to try

a new kind
of transmitter (микрофон). The

new transmitter
was set in Bell's bedroom on the first floor.
Watson was sitting in the laboratory on
the ground floor . He put his ear to the receiver (трубка) 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! "
It was on the 10th of March, 1876.
The telephone was invented.

At last they decided to try a new kind   of transmitter

Слайд 9 Look, this is the very first telephone!

Look, this is the very first telephone!

Слайд 10Then Alexander Graham Bell founded the Bell telephone company.




He

improved on the design of the telephone and by 1886

more than 150 000 people owned telephones in the United States.

Bell is at the opening of the long-distance line from New York to Chicago in 1892.

Then Alexander Graham Bell founded the Bell telephone company. He improved on the design of the telephone

Слайд 11 And this is an early wax cylinder phonograph, or grapho

phone.

The machine was created by Alexander Graham Bell in 1897.
And this is an early wax cylinder phonograph, or grapho phone.

Слайд 12 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

In 1880 the French Government awards Bell the Volta Prize of 50,000 francs  for the invention of the electric speaking telephone.

Слайд 13
Alexander Graham Bell
also had a strong interest
in other

scientific fields.
He conducted medical research, searched for alternative fuel

sources, experimented
with metal detectors
and much more…


Alexander Graham Bell also had a strong interest in other scientific fields. He conducted medical research, searched

Слайд 14Alexander Graham Bell had
a wife and two daughters :

Elsie (left) and Marian
Alexander  Bell loved his wife, Mabel Gardiner

Hubbard

This is Alexander Graham Bell’s Family

Alexander Graham Bell had a wife and two daughters : Elsie (left) and MarianAlexander  Bell loved his

Слайд 15 It’s interesting to know that Alexander Graham Bell ….

… became one of the founders of the
National Geographic

Society in 1888.
… 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.


It’s interesting to know that Alexander Graham Bell …. … became one of the founders of

Слайд 16"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

Слайд 17

***


Years after Bell’s invention,
there is a story told of a woman
whom he met at a party.
When she was introduced to the great inventor she expressed pleasure in meeting him and then she said smilingly, “But often I wish you had never been born.”
Bell smiled and said, “I sympathize.
I never use that beast myself.” The most extraordinary thing is that Bell hated the telephone, he hardly ever used it.

Слайд 18 People from all over the world remember

the “father” of the telephone.

Look at the monument to Alexander Graham Bell .
It is situated in front of the Bell Telephone Building of Brantford, Ontario, Canada.
People from all over the world remember the “father” of the telephone.

Слайд 19 Ann Smith ‘s Work

Form 8-B School

№ …
Tel.+ 998 90 ….
Tashkent,2015
Ann Smith ‘s Work    Form 8-B

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