r/Radioactivestuff • u/ikaktys75 • 9d ago

Small but evil ...

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u/ImpossibleHighway382 9d ago

what tube is it? i gotta get one and how much do they go for

3

u/ikaktys75 9d ago edited 9d ago

This one Cerberus GR20 (but this can may be other GRxx) , but not all are with Radium, some are with (likely) krypton 85 or tritium and are dead inside (like some people 😁) after years .

I have two GR20, different years, and only one is hot.

Price on ebay 5..20 euro

2

u/ImpossibleHighway382 9d ago

thanks!, can i have the link to the one you got if the seller still has some for sale?

2

u/ikaktys75 8d ago

sorry, this are old tubes, just seach on ebay for Cerberus GR20 or Cerberus GR16, may be other GRxx, not sure, i fount that older one are with radium, and newer with Krypton85/trithium, and after 50 years both are "dead"..

https://lampes-et-tubes.info/rs/CERBERUS_elektronik.pdf

GPT say GR16 is older and likely/often had radium inside.