The Story of the telephonePrezentation by Isabelle

Telephone is a device electronically transmitting human voice.

PastNowadays

Alexander Graham Bell

Invented telephone in 1875

That is not

actually true...

1. Antonio Meucci

2. Elisha Gray

3. Alexander Graham Bell

Drawings from

Alexander's diary are practically the same as Gray's drawings.

There is even a book written by

Edward Evenson

about "Father of

the Telephone".

"Mr. Watson, come here, I want to see you"

Telephone

Landline Phone

Mobile PhoneInternet Phone

Nowadays telephones are much more than

just calling...Sending

MessagesSurfing the Web

Taking photos

Nowadays phones are small computers