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  2. Rain gauge - Wikipedia

    en.wikipedia.org/wiki/Rain_gauge

    The standard United States National Weather Service rain gauge, developed at the start of the 20th century, consists of an 8 in (200 mm) funnel emptying into a graduated cylinder, 2.525 in (64.1 mm) in diameter, which fits inside a larger container that is 8 in (200 mm) in diameter and 20 in (510 mm) tall. If the rainwater overflows the ...

  3. Storm glass - Wikipedia

    en.wikipedia.org/wiki/Storm_glass

    FitzRoy carefully documented his claims on how the storm glass would predict the weather: [3] [failed verification] A catalogue of storm glasses c. 1863. If the liquid in the glass is clear, the weather will be bright and clear. If the liquid is cloudy, the weather will be cloudy as well, perhaps with precipitation.

  4. Clear view screen - Wikipedia

    en.wikipedia.org/wiki/Clear_view_screen

    A clear view screen or clearview screen is a glass disk mounted in a window that rotates to disperse rain, spray, and snow. A clear view screen is typically driven by an electric motor at the center of the disk, and is often heated to prevent condensation or icing.

  5. Precipitation gauge - Wikipedia

    en.wikipedia.org/wiki/Precipitation_gauge

    The term "Precipitation gauge" may refer to: Disdrometer, an instrument used to measure the drop size distribution and velocity of falling hydrometeors; Rain gauge, also known as an udometer, a pluviometer, an ombrometer or a cup is a type of instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over a set period of time

  6. Cheugugi - Wikipedia

    en.wikipedia.org/wiki/Cheugugi

    Cheugugi (Hangul: 측우기, Hanja: 測雨器) is the first well-known rain gauge invented and used during the Joseon dynasty of Korea. It was invented and supplied to each provincial offices during the King Sejong the Great's reign. As of 2010, only one example of the Cheugugi remains, known as the Geumyeong Cheugugi (Hangul: 금영측우기 ...

  7. Aquapel (glass treatment) - Wikipedia

    en.wikipedia.org/wiki/Aquapel_(glass_treatment)

    Aquapel is a rain repellent glass treatment created by PPG Industries. It is a competitor to the more widely known Rain-X product, but unlike Rain-X, is not a silicone -based compound. Aquapel Glass Treatment consists of fluorinated compounds called fluoroalkylsilanes [ 1 ] which create a chemical bond with glass surfaces, causing water to bead ...

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