Galileo Galilei- the pioneer of modern physics and astronomy- never could have imagined that the remarkable thermometer he invented four centuries ago would become one of the most attractive- intriguing- eye-catching gift items today. ****To look at a glass Galileo Thermometer is to behold not only an instrument that tells the precise temperature- but also a work of beauty and art. The Galileo Thermometer is a **conversation piece that leaves a lasting impression. Few other gift items meld design and concept so effectively.****The Galileo Thermometer is a unique looking cylinder filled with colorful spheres that float in liquid and measure the correct temperature based on a fascinating scientific principal. What Galileo discovered is that spheres of different weights would rise or fall according to the temperature. In a Galileo Thermometer- the lowest floating sphere in the upper part of the cylinder tells the correct temperature.****Dimensions:**Length - 11.5***Widgth - 4***Depth - 2.5*