Leon Foucault, French physicist, c 1850s.

 
Leon Foucault, French physicist, c 1850s.
4 0 c m
 
35cm
actual image size: 27cm x 32cm

Description

Daguerreotype. In 1852 Jean Bernard Leon Foucault (1819-1868) gave the first public demonstration of the rotation of the earth on its axis, by hanging a giant pendulum from the dome of the Pantheon in Paris. The pendulum appeared to change direction over the course of the day, but in fact it swung in the same direction, proving that the Earth was turning below the pendulum.

Image Details

Image Ref.
 
10301379

© National Museum of Science & Media / Science & Society Picture Library

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