Rotative Compound Beam Engine, 1881
1968-1971
1968-1971
(1962); 1982
1968
1965-1968
1970
1967-1971
1970
1971
1970
1971
1969
1968
1965
circa 1969
1965
1966-1970
1969
2000-100 BCE
1965-1971
1967
1965
1968
1965
1967
1969
1965
1968
1969
circa 1965
1969
1965
1968
1971
1990-96
1966
circa 1968
1969-1970
1966
1969
1965
1966-1970
1965
1966
1966
About 1970
1968
1967
1966
1971
1966