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thermometer
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thermometer Round thermometer mounted outside a window shows a temperature below 0 degrees Fahrenheit. The window has frost and cracks, with snow on the sill. A wet bulb dry bulb thermometer, or hygrometer, with two glass thermometers mounted on a yellow board labeled dry and wet, used to measure humidity. Mercury thermometer
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barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure
Fun Facts of Measurement & Math
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thermometer: Media

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thermometer
A thermometer.
© Al Riccio/Corbis RF
thermometer
Most modern thermometers are graduated with both the Celsius temperature scale and...
© Myotis/Shutterstock.com
dry-bulb and wet-bulb thermometers
Psychrometer, consisting of a dry-bulb thermometer (left) and a wet-bulb thermometer....
© Ubonwan Utachkul/Dreamstime.com
Mercury thermometer
Mercury in the bulb of a thermometer.
CambridgeBayWeather
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