
Edison telephone, 1879
1879
1879
1875
1885
1884
1830 (original); 1967 (model)
1879
1876
1878
1876
1872 (original); 1909 (model)
1875
1884
circa 1885
1879
1875
1884
1955; 1830
1893-4
1934
1879
1880
2000-100 BCE
1875-1885
1882
1875
1877
1880
1705-1737
1879
1884
1878
1885
1878
1934
1875-1877
1930 (replica); 1834 (original)
circa 1880
1879
1888
4000-2001 BCE
1839 (original); circa 1988 (replica)
1875-1885
1875-1878
circa 1880
1877
1875-1880
1880
1880
1878
1880