17 Inch Galileo Thermometer/Barometer

The Galileo Thermometer is a unique functional thermometer. The spheres will float up and down according to changes in the temperature. When the temperature rises the spheres will sink and inversely when the temperature falls the spheres will rise due to changes in the specific gravity of liquids. You always read the lowest of the floating temperature tags to determine the correct temperature.

The barometer is filled with distilled water and your favorite food coloring. Once the bulb is filled 1/2 way let nature do the rest. The colored water will rise and fall with the barometeric pressure giving an indication of what type of weather can be expected. Syringe and tubing included.

Contains 7 Spheres.

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