Galileo thermometer (28 cm)

MACHINE TRANSLATION (not authorised yet)

A non-standard thermometer, whose authorship (idea) is attributed to Galileo. In an interesting way it proves physical laws concerning liquids (their density depending on temperature). The temperature is indicated by the lowest of the not sunken bubbles. Each (glass) bubble has a temperature plate attached. The height of this glass thermometer: 28 cm, number of bubbles: 5, range: 18-26 degrees Celsius.