National Geographic 15" Galileo Thermometer - $12.88

Art meets science in this attractive glass thermometer. It's a replica of the original invented by Italian physicist Galileo Galilei. The individually calibrated weights float in a sealed tube of water where they rise and fall with the temperature. Displays temperatures in 2 F increments from 68 to 80 and is accurate to within 2 . Dimensions: 15"H. - $12.88