Canadian Mk2 19 set up and running, query regarding Radium content ?
Well I got the 19 set back from a pal and it’s running great, the A and B sets have been sympathetically decommissioned.
There was mention that these sets may contain Radium ? Anyone know what the craic is with this ? |
To the best of my knowledge the only radioactive item on the Canadian/US sets is the glass bead on the end of the PSU switch. Simple test is to look for brown colouring on dials, meters, etc. Radium lasts a while but the phosporous doesn't. It turns a brown colour that can indicate presence of radium.
Note to self, look for geiger counter at Warren Piece. |
Cheers buddy, alas I won’t make it to W&P this year.
I did note that there was some sort of green oxidisation on the top of the psu switch, I might just change it out to be safe ! Just wanted to check there was nothing else on the set I should be wary of innthat respect. |
It's safe enough behind the glass bead, and changing that switch is not a task to be undertaken lightly - even if you can get an equivalent (4-pole 2-way centre-off) switch. To get at it involves the almost complete dismantling of the supply unit, something I'd only consider in the event of smashed fuse holders. or other major damage
Chris. |
Chris, I may need to image the switch as there is no glass bead on the end, its chrome but with clear green paint on the tip which is scraped away.
I will get a snap of it when I get home, see what you think. Cheers Richie |
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The only real test is a geiger counter, but... Paint that looks "burned brown" may well be radioactive (and the phosphorescent zinc sulphide that caused it to glow has been rendered non-luminous). Paint that is light green may be plain zinc sulphide luminous variety: shine a strong light on it in a darkened room; if it glows after you turn the light off it's the safe variety. Chris.(G8KGS) |
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Psu no.1 it seems
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Toggle switch
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Nothing radioactive there. Just somebody doing the emerald paint treatment. It's the right switch so just steel wool the knob and be done with it.
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ok will do, cheers guys.
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