
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1995
1996
1992-1994
1993-1995
1993
1987
1989
1995
1986
1993
1996
1996
1996
1996
1996
1996
1996
1996
1990-1991
1994
1986
1992
1996
1994-1995
1993-1995
1996
1995
1995
1995
1996
1987
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1990
1990
1990
1990s
1990-1991
1994