
Atmospheric Pressure Experiment #1

by Science Photo Library
Title
Atmospheric Pressure Experiment #1
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Air pressure experiment. Gasparo Berti's experiment to show that a vacuum can exist in nature. The pipe at right is around eleven metres in height, the amount of water that atmospheric pressure can displace, and is sealed at the top. Its open base rests in a jar of water (bottom right). In the sphere above the column at top right, Berti placed a bell. When the system reached equilibrium, a vacuum was left in the sphere above the water column. The absence of air meant that the ringing of the bell could no longer be heard. Berti (1600-1643) performed this experiment at the Minim Convent in Pincio, Italy.
Uploaded
September 20th, 2018
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