Conditioned Reflex Analogue, ‘CORA’, England, 1950-1953
1950-1953
1950-1953
1950-1952
1962
1920-1950
1934-1940
1934-1940
2011
1960
1983
1822-1900
1981
1850-1900
1822-1900
1981
1997-2002
circa 1880
1750-1900
1913
1981
1981
1913
1981
1981
1981
1948
1948
1948
1948
1948
1948
1948
1948
1948
1948
1948
1950
1950
1950
1950
1948
1950
1948
1948
1950
1950
1950
1950
1950
1950