
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1992-1994
1989
1994
1985
1985
1994
1990
1985
1985
1990s
1990-1991
1985
1988-1993
2000-100
2000-100 BCE
1988
1993
1994
1986
1986
1986
1985
1985
1985
1986
1985
1986
1986
1990
1990
1990
1989
1990-1991
1986
1986
1986
1986
1986
1986
1989
1990
1989
1994
1985
1986
1986
1992
1985
1985-1988