
Edison telephone, 1879
1879
1879
1879-1896
1877-1897
1885
1889
1884
1830 (original); 1967 (model)
1895
1896
1877
1886
1885-1894
1890
1888
1879
1878
1894
1890-1896
1890-1894
1892
1897
1880-1890
1885-1895
1880-1890
1872 (original); 1909 (model)
1892
1884
circa 1885
1879
1897
1889
1880-1889
1878-1890
1878-1890
1878-1890
1878-1890
1890-1894
1890-1894
1878-1890
1878-1890
1889
circa 1897
1884
1955; 1830
1895
circa 1890
circa 1890
circa 1890
circa 1890
before 1889