Galileo thermometer
Videos
A Galileo thermometer is a thermometer containing a clear liquid and several glass vessels of varying density. The individual floats rise or fall in relation to their respective density and the densit
A Celsius Galilean thermometer in two degree gradations. A risen orange orb denotes 24 °C.
Thermoscope
Videos
A thermoscope is a device that shows changes in temperature. A typical design is a tube in which a liquid rises and falls as the temperature changes. The modern thermometer gradually evolved from it w
Galileo thermometer
…physicist Galileo, the thermometer was not invented by him. (Galileo did invent a thermometer called Galileo's air thermometer, more accurately called a thermoscope, in or before 1603.) The instrument now known as a Galileo thermometer was invented by a group of academics and technicians known as the Accademia del…
Galileo thermoscope, The Musée des Arts et Métiers, Paris