Thermometer
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- In 1654, the first enclosed liquid-in-a-glass thermometer was invented by the Grand Duke of Tuscany, Ferdinand II. The Duke used alcohol as his liquid.
- In 1612, the Italian inventor Satori Satori invented the mouth thermometer and perhaps the first crude clinical thermometer. However, it was both bulky, inaccurate, and took too long to get a reading
- Thomas Allbutt invented the first practical medical thermometer used for taking the temperature of a person in 1867. It was portable, 6 inches in length and able to record a patient's temperature in 5 min.
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