
Swan electric lamp
1878-1879
1878-1879
1879
1870
circa 1871
1875
1880
1879
1775-1799 (original); 1900-1907 (model)
1871
1870
1879
2000-100 BCE
1875-1885
1870s
1886
1934
1880
1879
1870-1880
circa 1885
1865
circa 1885
1878
circa 1880
1871
1875
1884
1877
1955; 1830
1872
1870-1881
1893-4
1870-1877
1876
1872 (original); 1909 (model)
1884
1882
circa 1868
1867
1867
1879
1876
1878
1872-1880
1867
1865-1866
1870-1880
1875
1870
1865