spinthariscope

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Englisch - Türkisch
spintariskop
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Englisch - Englisch
an early device used for observing individual nuclear disintegrations
A small instrument containing a minute particle of a radium compound mounted in front of a fluorescent screen and viewed with magnifying lenses
{i} device for detecting alpha particles (Physics)
The tiny flashes produced by the continual bombardment of the screen by the α rays are thus rendered visible