
Foucault Pendulum for Demonstrating the Earth's Rotation
1988
1988
1839 (original); circa 1988 (replica)
1989
1989
1989
2000-100 BCE
1988
1988
1990-96
1988
1988
1989
1988
4000-2001 BCE
1989
1988
1990-95
2050-1750 BCE
1989
circa 1988
circa 1988
6000-5000BCE
1989
1991
1988
30 CE
30 CE
2686-2613 BCE
1988 (original launch date)
1989
1989
1988
circa 1989
1989
1989
20-400
2000-500
1989
1988
1989
30-200
2000-1350
20-500
1989
1989
1988-1989
1988
20-500
2000-500
20-400