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Earliest known illustration of an oral thermometer, drawn by its inventor, the Italian physician Sanctorius Sanctorius (1561-1636), in 1625. The thermometer was made of glass tubing and the vial at the bottom
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Forehead and Ear Thermometer Digital 3 in 1 Professional Infrared Medical Thermometer for Baby, Children, Kids, Adults, Object,Fever Indicator : Amazon.co.uk: Health & Personal Care
![Newsflicks on Twitter: "Inventor of the mercury thermometer, Daniel Gabriel Fahrenheit was born on May 24, 1686 https://t.co/bo7l0aMHjI" / Twitter Newsflicks on Twitter: "Inventor of the mercury thermometer, Daniel Gabriel Fahrenheit was born on May 24, 1686 https://t.co/bo7l0aMHjI" / Twitter](https://pbs.twimg.com/media/DAj2OWMXoAQ7dMO.jpg:large)
Newsflicks on Twitter: "Inventor of the mercury thermometer, Daniel Gabriel Fahrenheit was born on May 24, 1686 https://t.co/bo7l0aMHjI" / Twitter
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