
Film used at British National Hydrogen Bubble Chamber
1970-1971
1970-1971
1960-1980
1982
1960-1970
circa 1876-1977
1942-1944
circa 1950s
1910-1945
1945-1955
1945-1955
1 December 1937
1960-1970
1976-1977
1942
1 December 1937
1 December 1937
1 December 1937
circa 1950s
1939-1945
1960-1961
1960-1970
1936-1947
1936-1947
1936-1947
1938
1939
1938
1936-1947
1936-1947
1885
1936-1947
1947
1990
1990
1990
1990
1990
1990
2001