Barometers Weather Instruments: Design

Esschert Design USA TH42 Small Glass Galileo Thermometer Reviews

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Esschert Design USA TH42 Small Glass Galileo Thermometer Feature

Glass thermometer shows Celsius and Fahrenheit temperature
Based on the Galileo theory that the density of a fluid is linked to its temperature
Reading the thermometer is a breeze
The lowest suspended glass ball shows the current temperature
Measures 7-1/2-inch H by 2.3-inch L by 2.3-inch W

Galileo thermometers are filled with a clear liquid and floating weights. As the temperature of the liquid changes, the weights change position. This is based on the Galileo discovery that the density of a fluid is linked to its temperature. The lowest suspended weight shows the current temperature.