History of  telecommunications




   

 

Glossary Scientist
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by Sergio Arienti ®

historical timeline of development of the phone







 


 

1871   
Invention phone Antonio Meucci
 


1875
Distribution of the phone Alexander Graham Bell


 
1879
Microphone coal Thomas Alva Edison




1881

LE THEATROPHONE Clément Ader


 

1891

Automatic telephone switching   Almon Brown Strowger