This thermometer allows you to see the temperature by watching the balls sink and float in a beautiful sealed glass cylinder, as their densities are such that they rise or fall as the temperature changes. You can hang this one up as a beautiful display piece.
Measures between 16°C and 32°C
$44.95Learn all about thermodynamics with the Crookes Radiometer.When exposed to light or heat, the vanes will spin. Comes in 18cm and 22cm high models and makes for an educational decoration.
Fitzroy's Storm Glass is a historical weather forecasting device. It is a hand-blown glass tube full of liquid that allows the user to forecast the weather* by observing the appearance of the liquid in the glass.
*While the Teardrop Storm Glass is quite beautiful, it is not 100% reliable on predicting the forecast.
PLEASE NOTE: This product comes with a wooden base, not a metal base