
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1984-1986
1985
1986
1984; 1983
1985
1839 (original); circa 1988 (replica)
1985
1984
1984
1986
1986
1986
1984
1985
1984
1984
1984
1985
1984
1984
1984
1985
1986
1985
1986
1986
1984
1984
1985
1989
1986
1985
1989
1989
2000-100 BCE
1988
1984
1984
1986
1986
1986
1986
1986
1986
1986
1986
1985
1985
1987