
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1992-1994
1992-1999
1996
1995
1998
1992-1999
1996-1998
1839 (original); circa 1988 (replica)
1996
1999
1999
1999
1999
1999
1990
1999
1997
1988-1990
1995
1997
1994
1998
1999
1990s
1990-1991
1997
1996
1996
1996
1996
1996
1996
1996
1996
1988-1993
1994
1997
1986
1989-1999
1989
1997
1997
1990-1991
1986
1986
1986
1986
1986
1986