Galileo Thermometer

£12.99
ITEM CODE: 26319
A fascinating desk-top thermometer based upon the scientific principle expounded by Galileo Galilei (1564-1642), that the density of a liquid changes in proportion to its temperatu...
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Description
A fascinating desk-top thermometer based upon the scientific principle expounded by Galileo Galilei (1564-1642), that the density of a liquid changes in proportion to its temperature. 5 weighted globes, each with temperature markers, are suspended inside the mineral oil-filled glass tube. As air temperature changes the globes rise and fall: the lowest globe indicating the temperature. This thermometer measures temperatures 18-26°C. If all the globes rise to the top it indicates a lower, or if all float to the top, a higher temperature than the range of the device.
Size & Additional Information
Colour: Clear, Yellow, Blue, Red, Green, and Pink
28cm tall x c.5.5cm dia
Glass, mineral oil and stainless steel markers
5 temperature markers, marked 18, 20, 22, 24 and 26°C
Box with printed instructions in English, French and German
Not a toy. Do not expose extensively to direct sunlight or extreme heat
DELIVERY & RETURNS
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