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