
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1984-1986
1995
1992-1994
circa 1980
1985
1985
1979
1980-1990
1981-1990
1978
1978
1981-1990
1990
1981-1983
1993
1985
1986
1979
1985
1984
1994
1992
1982
1984
1986
1986
1986
1984
1985
1984
1984
1984
1984
1984
1984
1985
1986
1985
1986
1986
1990
1984
1990
1990
1990s
1981-1982
1990-1991
1979
1983