In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This “Zahlrohr” is a very early ...
IN the course of work on the development of Geiger–Müller counters in this laboratory, some interesting properties of a hard-glass external cathode (‘Aquadag’) counter have been observed.
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