Galileo Thermometer 17 Inch Giftcraft Bring a touch of woodland
Galileo Thermometer 17 Inch Giftcraft Bring a touch of woodlandIts named after Galileo because he discovered the principle on which this thermometer is based that the density of a liquid changes in proportion to its temperature. As the temperature increases, the density of the clear liquid decreases causing the bulbs to sink; and vice versa. Tags attached to the bulbs then allow you to determine the temperature.
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3