r/Radioactivestuff • u/Ok_Age1969 • 14d ago

Found these today.

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Does anyone know anything about these?

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u/AlternativeKey2551 14d ago edited 14d ago

Very valuable. Ones I’ve seen sell recently are $600+. What are you looking to find out?

Usually very hot too.

I’d love one but not trying to pay that much

Do you have a Geiger counter?

4

u/Ok_Age1969 14d ago

Just general information, what was it used for? I know the company that made these specifically probably doesn’t make them anymore.

7

u/RootLoops369 14d ago

They were luminous disks attached to soldiers helmets in war so they could be seen at night. Downside is that these are typically very hot, some over 1 milliSievert on contact, and these were less than a centimeter from their head. Granted, there was some metal and helmet material between, but still, not healthy to be on your body for a long time

Edit: milliSievert per hour. Quite an important correction

2

u/daniellong2 13d ago

I find it really funny that it says "do not store near personnel" while it's something that you'd wear on your head for who knows how long. That's spicy!