Front:
FOUCAULT
PENDULUM
THE PENCULUM PROVES THAT THE EACHTUNG
ccand opened
When you
ad
borge
pec
corres
Back:
FOUCAULT PENDULUM
Museum of Science
Science Park
Boston, Massachusetts 02114
Visual proof that the earth is spinning in space, the
Foucault pendulum was invented in 1851 by French
physicist Jean Foucault. It is hung in such a way that
its direction of swing never changes but it appears
to move because the Earth turns beneath it. Gift of
the Edwin S. Webster Foundation.
natural color company, inc., boston, mass. 02130
P305480