Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Geiger-Müller Tube
Otto Pressler Company, Leipzig, 1938

In 1928, Hans Geiger and Walther Müller invent a detector for radioactive rays. A metal cylinder contains a rarefied noble gas and an electrode at high voltage. Every particle that strikes an atom of the noble gas triggers a momentary surge.

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