
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1992-1994
1995
1996
1996
1839 (original); circa 1988 (replica)
1996
1990-96
1990
1988-1990
1989
1995
1990-1991
1994
1990
1990
1990
1990s
1990-1991
1989
1990
1989
2000-100
2000-100 BCE
1988
1990-1995
1994
1994
1996
1996
1996
1993
1996
1996
1996
1996
1996
1988-1993
1993
1996
1995
1987
1995
1995
1993-1995
1994-1995
1987
1996
1992
1994