
Swan electric lamp
1878-1879
1878-1879
About 1890
1914
1879
circa 1930
1870
circa 1910
circa 1910
circa 1930
2007-8
after 1857
1945
1924
circa 1942
circa 1915
circa 1939; circa 1929
circa 1935
circa 1945
circa 1940
circa 1937
circa 1942
circa 1945
circa 1946