English: Interior of a Stevenson screen showing (from left to right) the dewcell, wet bulb with wick attached to water supply, dry bulb and dry thermistor. The metal pipe is called a psychrometer and sucks air across the thermometers.
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Intérieur d'un écran Stevenson (avec de gauche à droite) la cellule de rosée, l'ampoule humide avec une mèche fixée à l'alimentation en eau, l'ampoule sèche et la thermistance sèche. Le tuyau en métal (psychromètre) aspire l'air
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{{PD-user|CambridgeBayWeather}} Interior of a Stevenson screen showing (from left to right) the dewcell, wet bulb with wick attached to water supply, dry bulb and dry thermistor. The metal pipe is called a psychrometer and sucks air across the thermomete