
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1839 (original); circa 1988 (replica)
1984-1986
1982
(1962); 1982
1985
1985
1984
1982
1984
1986
1986
1986
1984
1985
1984
1984
1984
1985
1984
1984
1985
1985
1986
1986
1986
1984
1983
1989
1985
1982
1984
1984
1984
1986
1986
1986
1986
1986
1986
1989
2000-100 BCE
1985
1988
1985
1986
1984; 1983
1989
1983
circa 1983