Galileo Thermometer in Cherry Finish Frame - 14.5" Powered by the principle discovered by Galileo Galilei that the density of liquid changes as temperature varies Colorful, liquid filled spheres sink and rise with temperature changes Measures 60-84 degrees Fahrenheit on metal numerical tags Constructed of clear cylindrical shaped glass inserted in a wooden cherry finished frame Dimensions: 14.5" x 4" x 2.5"