Foucault's Sand Pendulum - 56cm
Foucault's Sand Pendulum
- 56cm
The perfect gift for the enquiring mind.
This facinating pendulum will create amazing and unique patterns in the sand.
First demonstrated im 1851 by Jean Brenard Foucault to show the effects of the rotation of the earth with a free moving pendulem.
This modern version converts kinetic energy into potential energy and the all steel pendulum inscribes the fine low resistance sand with ever changing mandala style patterns.
Overall height approx 56cm
Pendulum swings for approx 5 mim.
Sand included. laquered wooden tray and arm.
Domestic . $8.95 up to 500gm. $14.00 combined weight up to 5Kg. Express & International available.
