
Edison telephone, 1879
1879
1879
1879-1896
1885
1898
1889
1884
1897-1898
1884-1900
1830 (original); 1967 (model)
circa 1900
1880-1900
1895
1896
1900
1886
1885-1894
1879
1894
1895-1900
1899
1890-1894
1898
1892
1897
1880-1890
1872 (original); 1909 (model)
1898
1892
1884
circa 1885
1898
1899
1879
1897
1889
circa 1900
1890-1894
1889
circa 1897
1884
1955; 1830
1895
circa 1890
circa 1890
circa 1890
circa 1890
About 1890
1896
1934
1896