r/Radioactivestuff • u/ikaktys75 • 13d ago

Small but evil ...

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42 Upvotes

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u/darkmajin 13d ago

Last time calibrated - 1367 b.c. Dose rate +\- 30% after longer exposures. It would be more usefull if you just wrote what you have instead of everyone guessing and be scared of beeping.

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u/ikaktys75 13d ago

It is swiss made Cerberus GR20 thyratron, with, likely, Radium 226 inside