Product Review

The clear glass cylinder contains multi-colored spheres with numerical tags suspended in a special, clear liquid. Galileo discovered that spheres of different weights rise or fall according to the temperature as the liquid in the cylinder contracts (cools) & expands (warms). the lowest floating sphere in the upper part of the cylinder tells the current temperature. This outdoor version come with a metal cage, a large hook for hanging, & registers temperatures from 60 to 96 Degree Fahrenheit. . Size 22.5"H; tube 2" dia