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Презентация на тему inventions that shook the word!

In 1876 Alexander Graham Bell, an American engineer, Invented telephone
«Inventions that Shook the word!» Prepared Ivanova Anna In 1876 Alexander Graham Bell, an American engineer, Invented telephone The first phones December 31, 1898 to open the phone line Moscow - Petersburg. The first phone conversation between Moscow and New York took place on 14 April 1936. In 1946, the U.S. has been the first mobile phone In Russia the first mobile phone appeared in 1991. It weighed about 3 kg Mobile phones have become distributed in Russia in the late 90's Mobile phones today I think the phone is one of the most useful inventions of mankind Thank you for your attention
Слайды презентации

Слайд 2 In 1876 Alexander Graham Bell, an American engineer, Invented telephone

In 1876 Alexander Graham Bell, an American engineer, Invented telephone

Слайд 3 The first phones

The first phones

Слайд 4 December 31, 1898 to open the phone line

December 31, 1898 to open the phone line Moscow - Petersburg.

Moscow - Petersburg.


Слайд 5 The first phone conversation between Moscow and New

The first phone conversation between Moscow and New York took place on 14 April 1936.

York took place on 14 April 1936.


Слайд 6 In 1946, the U.S. has been the first

In 1946, the U.S. has been the first mobile phone

mobile phone


Слайд 7 In Russia the first mobile phone appeared in

In Russia the first mobile phone appeared in 1991. It weighed about 3 kg

1991. It weighed about 3 kg


Слайд 8 Mobile phones have become distributed in Russia in

Mobile phones have become distributed in Russia in the late 90's

the late 90's


Слайд 9 Mobile phones today

Mobile phones today

Слайд 11 I think the phone is one of the

I think the phone is one of the most useful inventions of mankind

most useful inventions of mankind


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