Galileo Thermometer 14in 5 Multi Colored Spheres‎ Fahrenheit Gold Tags

A Galileo thermometer is a decorative and scientific instrument used to measure temperature, named after the Italian scientist Galileo Galilei who discovered the principle it operates on. This thermometer consists of a sealed glass cylinder filled with a clear liquid and several glass spheres of varying densities. Each sphere has a small metal tag indicating a specific temperature.