Model of the Parsons single-reduction geared turbine machinery
1939-1947
1939-1947
1897
1947
1905-1907
1904-1933
1846
1913
1972
1972
1913
1891
1933
1892
1889-1896
1927-1929
1919-1922
1910-1914
1887
circa 1870
1918-1931
1891
1938-1947
1951-1953