The mercury thermometer was invented by Dutch physicist Daniel Gabriel Fahrenheit in 1714. It consists of a narrow glass tube with a bulb at the bottom, containing mercury. The volume of mercury changes with temperature; mercury is driven out of the bulb and up the tube as the temperature rises.
Sources:
- Wikipedia article on Mercury-in-glass thermometer
- Image Credit: Donar Reiskoffer, Wikimedia Commons
Added by: Jennifer Payne.
Category:
Measuring instrument
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