Important safety information on the British Mark 1 Marching Compass, which contains a large amount of radium paint, some of which can easily flake off and be inhaled or ingested. This video shows how to remove the internal mirror in the compass which contains enough radium paint to read over 120,000 CPM, maxing out my Mini Monitor, the Terra P (Calibrated to Cs-137 not R-226) reads 1.2 mSv per hour! with just the beta and gamma energy.

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