
Glass-stoppered bottle containing uranium
1801-1892 (prepared); 1946 (element replaced)
1801-1892 (prepared); 1946 (element replaced)
1935
1935-1936
1932-1933
1934
1936
1936
1903 (original); 1982 (model)
1952-3
1935
1936
Before 1932
1931
4000-2001 BCE
1937
1935
1937
1937-05-05
1932
1937
1936
1990-95
1932
1937
1934
1936-05-08
1934
1976; 1776
1935
1834-1836
1933
1934-1935
1936
1934
1931
circa 1933
circa 1934
circa 1933
circa 1932
1933
circa 1932
1934
1934-07-15
circa 1932
1934
1932
1940-03
1934
circa 1933
1935