
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1985
1985
1990-1991
1985
1990
1985
1839 (original); circa 1988 (replica)
1989
1985
1993
1989
1987
1985
1986
1989
1993
1990-1991
1985
1986
1986
1986
1986
1985
1985
1985
1986
1986
1986
1985
1986
1986
1986
1986
1986
1986
1990
1990
1990
1990s
1986
1985
1988-1993
1987
1992
1990
1989
2000-100
2000-100 BCE
1988