ROBERT HOOKE

     HISTORY OF TELEPHONE                   

INNOCENZO MANZETTI

Telephone is telecommunication device for the reception and transmission of sound. The word telephone is made of two Greece words: TELE-far away; PHONE-voice. 

Year 1667 Robert Hooke invented string telephone- that conveyed sounds sounds over an extended wire by mechanicals vibrations.                                                         

1753, Charles Morrison propose that electricity can be used to transmit messages, by wires for each letter.

1844, Innocenzo Manzetti first mooted the idea of ''speaking telegraph’’ (telephone)

• This and and a lot of others inventors helps that we are using telephone today.
• I am really happy that I can use telephone, I can't imagine life without telephone anymore, because you can use it for your job, free time,  you can take pictures with it, play games.

TELEPHONE NOW

TELEPHONE THEN