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GALILEO THERMOMETER OR TERMOMETRO LENTOS<br />
(Variations Available).<br />
Principle of Galileo's Thermoscope<br />
Specifically weighted floating bubbles predictably rise or sink in a liquid as the temperature of that liquid changes. The refraction of light by the liquid in the column causes the bubbles to appear different in size.

Fphoto-50920102B-6RMs.jpg

GALILEO THERMOMETER OR TERMOMETRO LENTOS
(Variations Available).
Principle of Galileo's Thermoscope
Specifically weighted floating bubbles predictably rise or sink in a liquid as the temperature of that liquid changes. The refraction of light by the liquid in the column causes the bubbles to appear different in size.

Copyright:© 2001 Richard Megna - Fundamental Photographs

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