Light-bulb, filament, carbon
About 1890
About 1890
1821-1850
1857-1870
1835
1861-1866
circa 1861
1872-1880
1850-1870
1892
1934
1878
1875
circa 1860
1862
1850-1859
1845
1882
1849
1855
1865
1870
1878
1825
circa 1840
circa 1868
1884
1837
1888
1890
1827-1850
circa 1880
1875
1884
1860
1846-1859
1840
1842
1850
circa 1885
1842
1851
1827
1837
1831-1870
1834
1834
1834
1821-1831
1845-1855
1840-1850