
Edison's electric carbon filament lamp
1879
1879
1948-1950
1801-1840 (original); 1901 (model)
1935
1943
1879-1896
1890-1900
1839 (original); circa 1988 (replica)
1936
1949
1884
1900-1910
1897
1884-1900
1886-1927
1880-1920
1895-1905
1903
1890-1891
1888
1948-1953
1880-1900
circa 1925
1945
1926
1948
1946
1955
1955
1943
1948
1884
1911
1927
circa 1920
1889
1898
1899
1880-1920
1901
1904
1879
1940
1910
1927
1938
1915
1895
1920
1915