H-B DURAC Galileo Thermometer; 16 to 36C, 11 Spheres, 610mm (B62000-0300) Decorative functional thermometer is a great conversation piece perfect for the home or office Sealed glass cylinder contains a clear liquid and several glass spheres of varying densities that individually rise or fall to indicate temperature Temperature range of 16C to 36C; each of 11 spheres represents 2C divisions Tag on the lowest sphere in the top group indicates the current temperature Height: 24"/Temperature Accuracy 2C