Neutron Detector
1992
1992
1950-1983
1995
1950-1980
1978-95
1959
1960-78
1996
1956-1985
1948-78
1950-78
1960-78
1960-70
1968
1978-95
1960-78
1950-78
1953-78
1950-60
1948-78
1950-1983
1978-1995
Coincidence Unit 1036C: 1957; Geiger-Muller tubes: 1956-1961; Probe Units Type N558: 1955-1961
1951-1978
1958-78
1963
1978-95
1960
1950-60
1965
1960-1981