Foucault's Pendulum

Fascinating and unusual desktop science this is a model of the original pendula used calculate the of the earth Elegant curved stand holds a swinging pendulum the point of which traces onto a fine sand base As the arc of the pendulum keeps moving very slightly the pendulum traces complicated and beautiful patterns in the sand Each swing is on a slightly different arc Constant movement constantly-changing patterns Stands an impressive 38 cm high by 20 wide Great gift or acquisition for or office guaranteed draw attention.