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Re: Gruen Mens ID [message #16841 is a reply to message #16834] Fri, 01 July 2022 16:26 Go to previous messageGo to previous message
JackW is currently offline  JackW
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Registered: May 2013
Location: Denver
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There is one easy way to find out. Shine a UV light on it. Florescence without retaining glow is a good sign of Radium. If no florescence than likely no lumed material.

All I know is based on hard work & writing by others. I can only aspire to augment this body of knowledge. If I am wrong it is because of my own failings. -me

"If I have seen farther it is by standing on the shoulders of giants." - Newton

[Updated on: Fri, 01 July 2022 16:53]

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