
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1987
1989
1986
1986
1987
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1986
1989
2000-100 BCE
1988
1986
1989
1988
1990-96
1986
1839 (original); circa 1988 (replica)
1989
1988
1988
1988
1986
1986
1986
1986
1986
1986
1987
1986
1987
1989
1987
4000-2001 BCE
1986-1988
1989
circa 1986
1988
1989
1986