The Galileo Thermometer offers style and function perfect for the home or office. Not only does this instrument tell temperature, it is a work of beauty and art. Galileo Galilei, the pioneer of modern astronomy and physics (1564-1642), discovered that liquids will change density as temperature increases or decreases. When temperature rises, the liquid inside the glass tube becomes less dense and the liquid filled bulbs will sink. When the temperature of the room cools, the process is reversed and the bulbs will rise from the bottom. Consists of a sealed glass tube with floating glass spheres filled with colored liquid. The spheres fall at different temperatures. Range is 64 - 80 degrees F.
Available in 11" or 13" lengths.