Light-bulb, filament, carbon
About 1890
About 1890
1882
1884
1888
1890
circa 1880
1884
circa 1885
1886
1890
1892
1885
1886
1884
1872 (original); 1909 (model)
1955; 1830
circa 1885
1889
1892
1886-1887
circa 1890
circa 1890
circa 1890
circa 1890
1890
1889
1889
1934
2000-100 BCE
1880-1890
1880-1889
1893-4
1880-1890
before 1889
before 1889
1880
1882
1880
1880
circa 1880
1890
1889
1990-96
1880
1889
1885
1930 (replica); 1834 (original)
1801-1892 (prepared); 1946 (element replaced)
1891
1705-1737