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Radiation test... '55 Sub with radium and original dial

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27 June 2015, 06:31 AM	#1
verticalflight "TRF" Member Join Date: Sep 2014 Location: California Posts: 131	Radiation test... '55 Sub with radium and original dial 1955 Sub with radium plots. Hands were replaced in 1976. Nothing glows at night except the lumos on the second hand. Bought a $150 Geiger counter off Amazon. Tests: - Directly on crystal - 1.75 - 2.25 µSv/h - 2-3 inches from crystal - 0.81 µSv/h - 4-5 inches from crystal - 0.50 µSv/h - Directly on caseback - 0.83 µSv/h

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