
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1984-1986
1989
(1962); 1982
1982
1985
1984
1982
1990s
1985
2000-100 BCE
1988
1984
1984
1986
1986
1986
1984
1985
1984
1984
1984
1985
1984
1984
1984
1985
1986
1985
1986
1986
1990
1984
1990
1990
1983
1986
1983
1984; 1983
1989
1983
circa 1983
1987
1987
1986
1985
1990-1991
1984
1984
1986