Translations:Adventist Youth Honors Answer Book/Nature/Weather - Advanced/34/en

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5. Explain the action of a registering thermometer, registering barograph, hygrometer, and an anemometer.

Registering Thermometer

A Maximum Minimum thermometer, also known as Six’s thermometer after its inventor. The scales are Fahrenheit on the inside of the U and Celsius on the outside. The current temperature is 23 degrees Celsius, The maximum recorded is 25, and the minimum is 15, both read from the base of the small markers in each arm of the U tube. The bulbs are hidden by a plastic housing.