Zuzia kaźmierska
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Transcript of Zuzia kaźmierska
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History of telephone
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Aleksander Bell – Invention that mastered the whole world
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"Mr. Watson - come here -I want to see you"
(March 10, 1876)
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The first telephone was installed in
2 June 1877.
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The first telephone exchange was established in 1878
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Initially employed to connect subscribers of operators
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In 1889 he created the first automatic control unit
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For the first time with a shield phone to dial used in 1896
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The first phone with a keypad for dialing was used in 1963.
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You could call friends, being away from home from a phone boxes
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Beginning phone in Poland
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Types of phones:
Landline phone
Wireleless fixed telephone
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Types of phones today:
Callular phone
Satelite phone
Internet phone i
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Zuzia KaźmierskaVDSp4
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