Manchester University Differential Analyser
1935
1935
circa 1986
circa 1955
1960
1965 -1970
1959
1931-1989
1965-1970
circa 1940
1962
circa 1967
circa 1960
1959
circa 1986
1962
1935
1935
1935
1935
1935
1935
1935
1935
1935
1935
1935
1935
1959
circa 1967
circa 1970
1958
circa 1960
1965-1970
1965-1970
1965-1970
1965-1970
1965-1970
1965-1970
1962
1962
circa 1986
1965-1970
1965-1970
1965-1970
1965-1970
1965-1970
1965-1970
1962
1962