
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1985
1985
1839 (original); circa 1988 (replica)
1990
1985
1989
1987
1985
1986
1987
1986
1989
1990
1986
1985
1986
1986
1986
1985
1985
1985
1986
1986
1986
1985
1986
1986
1986
1986
1986
1986
1990
1990
1990
1990s
1986
1985
1989
1985
2000-100 BCE
1988
1985
1988
1990-96
1985
1986
1989
1988
1988