
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1984-1986
1985
1980-1990
1986
1984; 1983
circa 1983
1985
1992-1994
1984-1992
1839 (original); circa 1988 (replica)
1995
1990
1993
1995
1980
1996
1996
1995
1995
1995
1996
1985
1984
1994
1982
1984
1986
1986
1986
1984
1985
1984
1984
1984
1985
1984
1984
1984
1985
1986
1985
1986
1986
1990
1984
1990
1990
1990s
1981-1982