domenica 29 maggio 2011

I Protagonisti

                                              

Antonio Meucci  (1808-1889)

                                                      



Innocenzo Manzetti  (1826-1877)

                                                        



Philipp Reis  (1834-1874)


                                                        

Elisha Gray  (1835-1901)

                                                       


Alexander Graham Bell  (1847-1922)

                                                               

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