Otto von Guericke. Air pressure experiment. Medieval engraving. Otto von Guericke's demonstration of the power of air pressure, Regensburg, 1654. A platform was suspended from the bottom of an evacuated sphere made up of two copper hemispheres, and increasing numbers of weights were placed on it. From von Guericke's Experimenta Nova (ut vocantur) Magdeburgica de Vacuo Spatio ("New Magdeburg Experiments About the Vacuum"), 1672.

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Size: 4072px × 4224px
Location: Europe
Photo credit: © Archive Collection / Alamy / Afripics
License: Licensed
Model Released: No

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