
Phillip's Economic Computer
1949
1949
1934
1935
1942
1952-3
1945
1940
1830 (original); 1967 (model)
1925-1935
1925-1935
1928
1923
1946-1950
1940
1923
1940-1950
1948-1950
1935
1927
1936
1946
1926
1930-1940
1945
1949
1950
1934
1927
1948
1935-1945
1940-1945
1947
1938
1947
1946; 1946
1943
1944
1930-1950
1936
1668; 1924
1937
1930
1610; 1923
1925-1940
circa 1923
circa 1925
1926
1930s
1945
1927