A Galileo thermometer is a temperature measuring system that consists of a sealed glass cylinder containing a liquid and several other glass spheres with totally different densities. Every sphere has a small metallic tag connected to it, and the tags are marked with totally different temperatures. Because the temperature of the liquid adjustments, the spheres will rise or fall within the liquid, with the densest spheres sinking to the underside and the least dense spheres floating on the prime. By studying the temperature on the tag of the sphere that’s floating on the prime, you’ll be able to decide the temperature of the liquid and the encircling air.
Galileo thermometers are recognized for his or her accuracy and reliability, and they’re typically utilized in scientific and industrial purposes. They’re additionally widespread as ornamental objects, and they are often discovered in lots of properties and workplaces.