
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1976-1979
1976
1984-1986
circa 1980
1975
1985
1985
1976-1982
1979
1978
1978
1981-1983
1985
1986
1979
1985
1984
1982
1984
1975
1975
1975
1975
1975
1975
1975
1986
1975
1975
1975
1975
1986
1975
1986
1984
1985
1984
1984
1984
1984
1984
1984
1975
1985
1975
1975
1986
1985
1986