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