
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1986
1992-1994
1839 (original); circa 1988 (replica)
1995
1990
1993
1995
1996
1996
1995
1995
1995
1996
1994
1992
1986
1986
1986
1986
1986
1986
1990
1990
1990
1990s
1990-1991
1994
1989
1996
1996
1996
1993
1996
1996
1996
1996
1996
1988-1993
1987
1989
1986
1994-1995
1993-1995
1987
1990-1991
1986
1986
1986
1986