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