in 1871 top right at the Pemberton Avenue School for the Deaf Before he became the most important inventor of the telephone Bell taught deaf children to speak Despite this Bell was also a supporter of eugenics 2317×1582 |
on 3/7/1876 On March 7 29-year-old receives a patent for his revolutionary new invention the telephone |
in 1892 in New York Alexander Graham Bell at the opening of the long-distance telephone line from New York to Chicago |
in 1892 in New York placing first to Chicago telephone call in More photos: tco G9CgUr75Ou tco WtjNROL3Cj |
in 1892 in New York placing first to Chicago telephone call in More photos here: tco G9CgUr75Ou tco 47XzYaj5vk |
in 1892 in New York surrounded by executives making the first call between and Chicago in restored by me 1800 × 1600 |
in 1892 in New York surrounded by executives making the first call between and Chicago in 1140 x 1008 |