Geiger counter - Wikipedia

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Geigercounter FromWikipedia,thefreeencyclopedia Jumptonavigation Jumptosearch Instrumentusedformeasuringionizingradiation Geiger–MüllercounterA"two-piece"benchtypeGeiger–Müllercounterwithend-windowdetectorOthernamesGeigerInventorHansGeigerWaltherMüllerRela



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