Light-bulb, filament, carbon
About 1890
About 1890
circa 1897
1895
1890
1896
1895
1896
1898
1896
1898
1896
1890
1892
1897
1898
1872 (original); 1909 (model)
1955; 1830
1894
2000-100 BCE
1890-1894
1890-1896
1898
1892
1893-4
1934
1890-1894
1890-1894
circa 1890
circa 1890
circa 1890
circa 1890
1898
1890
1896
1890
1990-96
1893
1897
1894
1897
1893
1897
1930 (replica); 1834 (original)
1897
1801-1892 (prepared); 1946 (element replaced)
1895
1897
1894
1897
1896