
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1990s
2000-100 BCE
1988
1993
1989
1990
1990
1990
1989
1993
1990-1991
1990-1991
1989
1990
2000-100
1988-1993
1992
circa 1990
1990s
4000-2001 BCE
1992
1839 (original); circa 1988 (replica)
1993
1988
1990-96
1989
1988
1988
1993
1990
1989
1988
1988-1992
1990
1992
1992
1990
1988-1990
1990
1990-95
1991-1992
1990
1991
early 1990s
1989
1992-1993
1993
1993
1991