Temperature-indicating floats in a Galileo Thermometer

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Temperature-indicating floats in a Galileo Thermometer. The spirt in the floats is blue, the temperature labels are brass discs and the phtograph is against a black background

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Size: 2866px × 4278px
Photo credit: © Ian D Smith / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: blue, brass, floats, galileo, glass, ornaments, plate, spirit, thermometer, water