Light-bulb, filament, carbon
About 1890
About 1890
circa 1897
after 1903
1880-1900
1895
1882
1901
circa 1900
1884
1900
1899
1888
1890
circa 1900
1903
1902
circa 1880
1900
1884
1901
circa 1885
1896
1895
1896
1902
1898
1901
1896
1886
1898-1899
1896
1890
1892
1901
1885
1886
1898
1884
1892-1900
1880-1900
1872 (original); 1909 (model)
1955; 1830
circa 1885
1889
1901
1894
1890-1894
1899
1898
1899