
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1992-1994
1993
1989
1993
1990-1991
1994
1992
1990
1990
1990
1990s
1990-1991
1989
1988-1993
1994
2000-100
2000-100 BCE
1988
1994
1994
1989
1990
1988
1988-1992
1990-96
1993
1992
1992
1989
1994
4000-2001 BCE
1839 (original); circa 1988 (replica)
1990
1994
1994
1990s
1992
1990
1989
1988
1988
1990
1993
1988
circa 1990
1994
1994
1994
1990