Dr. Mays and Dr. Prinz's Relay-operated logic machine
1951
1951
1934
1950-1952
1920-1930
1998
1976
1995-2000
2021
1890-1900
1933
1949
1940-1945
2015
1969
1953
1910-1926
1955
1925
1963
1907
1960
1908
1908
1995-1996
1969-2000
1940-1960
1910-1920
1960
1930
1961
1953
1937
1911
1919
1937
1960
1914
1937
1945
1919
1954
1953
1952
1937
1957
1922