Light-bulb, filament, carbon
About 1890
About 1890
circa 1897
1895
1882
circa 1900
1884
1900
1899
1888
1890
circa 1900
1900
1884
circa 1885
1896
1895
1896
1898
1896
1886
1898-1899
1896
1890
1892
1885
1886
1898
1884
1892-1900
1872 (original); 1909 (model)
1955; 1830
circa 1885
1889
1894
1890-1894
1899
1898
1899
1892
1899
1890-1894
1895-1900
1886-1887
circa 1890
circa 1890
circa 1890
circa 1890
1898
1890
1889