Light-bulb, filament, carbon
About 1890
About 1890
1898-1908
circa 1897
after 1903
1895
1908
1901
circa 1900
1909
1900
1899
1905
1890
circa 1900
1903
1902
1900
1901
1896
1895
1896
1906
1902
1898
1901
1896
circa 1905
1906
1898-1899
1896
1890
1904
1892
1901
1898
1892-1900
1872 (original); 1909 (model)
1955; 1830
1901
1894-1904
1894
1894-1904
1894-1904
1890-1894
1894-1904
1902-1907
1894-1904
1899
1898
1899