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Tuesday slide Unit Plan 2

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Page 1: Tuesday slide Unit Plan 2

Alexander Graham Bell

Page 2: Tuesday slide Unit Plan 2

Who is he?• Scientist• Inventor• Engineer• Innvator

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What did he do?• The telephone!

- in 1870 Alexander Graham Bell successfully transmitted speech electrically through the telephone. -The first words ever to be spoken on a telephone were “Mr. Watson, come here, I want to see you”

Page 4: Tuesday slide Unit Plan 2

First Ever Telephone

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How has it changed?• Today telephones are almost becoming non exisitent. Mobile phone

devices have taken over, and do not seem to be slowing down. Since the first telephone major changes include• Cordless Phones• Hidden Attenas• Mobile (used for more then just communicating through voice talk)

-They keep being revolutionized to fit the needs and comfort of the consumer. (which is us all)