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Thermometer

 

thermometer

Galileo invented the thermsocope, a form of thermometer. Later, sealed thermometers using mercury, which expands in a narrow tube as the temperature rises, were developed. Gabriel Fahrenheit’s scale dates from 1714, and that of Anders Celsius from 1742. The maximum and minimum thermometer, which records the highest and lowest temperatures reached over a period of time, was invented by James Six a Cambridge in 1780.

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