
Phillip's Economic Computer
1949
1949
1934
1951
1903
1918
1920-1950
1918-1920
circa 1919
1935
1925-1935
1920-1950
1942
1920-1925
1920-1950
1946-1950
1900-1910
1940
1936
1905
1940
1901-1930
1668; 1924
1904
1903
1920
1914-1916
1950
1945
1898
1917
1936
1919
circa 1897
circa 1910
1901-1910
circa 1900
1915-1918
1935
1938
circa 1900
1943
1901-1930
1920-1950
1920-1950
1830 (original); 1967 (model)
1951
1923
1949
1897-1898
1897