
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1985
1986
1985
1992-1994
1839 (original); circa 1988 (replica)
1990
1993
1985
1994
1986
1986
1986
1985
1985
1985
1986
1985
1986
1986
1990
1990
1990
1990s
1990-1991
1994
1985
1993
1988-1993
1989
1986
1985
1992
1989
1989
2000-100 BCE
1988
1986
1986
1986
1986
1986
1986
1990-1991
1986
1986
1985
1994
1994
1985