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Geiger counter se60

Videos about the Geiger counter se60

Old clock hands often contain radioactive radium so that they glow in the dark.

    Detect radioavtive contaminated food
Measurement on a incandescent gas mantle
Measurement on a clock face
Measurement on several clock hands
Measurement on a thorium rod
Measurement in an airplane

Tested by Survivalranger Harald Trenner