electroscope

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Related to electroscopes: Leaf electroscope

electroscope

 [e-lek´tro-skōp]
an instrument for measuring radiation intensity.

e·lec·tro·scope

(ē-lek'trō-skōp),
An instrument for the detection of electrical charges or ionization of gas by beta or x-rays; consists of two strips of gold leaf suspended from an insulated conductor and enclosed in an airtight container viewed with a low-power microscope.
[electro- + G. skopeō, to examine]

electroscope

/elec·tro·scope/ (e-lek´tro-skōp) an instrument for measuring radiation intensity.

electroscope

an instrument for measuring radiation intensity which really measures the electrical charge.
References in periodicals archive ?
Previous experiments with electroscopes underground, underwater and atop the Eiffel Tower had been inconclusive.
In 1912 in Austria, Victor Hess was the first to identify this radiation when he found his electroscope discharging more rapidly as he ascended in a balloon.
One way to detect the presence of energetic radiation is by the use of a gold-leaf electroscope.