
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1976-1979
1984-1986
1989
1974
1976
1973-1983
1979
(1962); 1982
1982
1978
1976
1980
1975
circa 1972
1985
1984
1982
1975
1990s
1981-1982
1985
1976-1982
1980-1990
1980-1989
2000-100 BCE
1988
1980-1985
1976
1981
1981
1984
1975
1975-1985
1984
1975
1974
1973
1974
1974
1974-1975
1975
1975
1975
1975
1974
1975
1975
1986
1974