◀ 1877 ▶
1880s 1890s 1900s 1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s
Edison Motograph Telephone
Edison Motograph Telephone
c. 1877
First telephone line
1877
Tech
First telephone line in Sweden
1877
Tech
Edison develops carbon button transmitter
1877
Tech
Bell Telephone Company founded
1877
Biz