Galileo Thermometer - 44 cm

The Galileo Thermometer, invented by Galileo Galilei in the 17th century is a thermometer made of a sealed glass cylinder containing a clear liquid and a series of sealed glass balls with different densities which could rise or fall as the temperature changes. By doing that, the balls form a temperature scale.

This 44cm tall Galileo Thermometer consists 10 balls and is accurate for a temperature range between 16°C to 34°C.

• 400 years old design
• Tell temperature by watching glass balls rise and fall
• Full intruction included in the box
• Hand blown glass