[R-390] OA2 replacement

[Tom Norris]

Hmmm, good idea, that X-Ray...

Would firing a strobe next to it help start it?

Tom

Would you believe I know where there is a 50's vintage field x-ray,  
nice and dirty, little shielding and complete with pcb filled power  
supply?  And it can stay where it is too.

On Oct 21, 2005, at 1:33 PM, Bill Hawkins wrote:

> Um, if the VR tube is dark because it's lost radioactivity,
> all you need to do is supply ionizing radiation from an
> external source to get it lighted.
>
> Find an old dental X-ray outfit and zap the radio with it
> after you turn it on. The lead apron is optional at our age.
>
> Bill Hawkins
>
>
> -----Original Message-----
> From: r-390-bounces at mailman.qth.net
> [mailto:r-390-bounces at mailman.qth.net]On Behalf Of Tom Norris
> Sent: Friday, October 21, 2005 12:47 PM
> To: r-390 at mailmanqth.net
> Subject: Re: [R-390] OA2 replacement
>
>
> Gee Gord, I suppose this means I can't snort the gasses from a
> voltage reg tube as a dessert after licking a radium meter face. I'm
> quite disappointed.
>
> Tom
>
> (nary a mention of keilbasa, ballasts or the average conductance of
> damp sheep)
>
> On Oct 21, 2005, at 10:44 AM, Gord Hayward wrote:
>
>> In my GRC 109 manual they talk about 0B2's having 6.7 nCu of  
>> Cobalt 60
>> and I recall other similar warnings about Nickel  63 and some
>> Uranium isotopes
>> in the same tube family.  They were probably part of the plate
>> material.
>>
>> Same as silica gel - Do Not Eat.
>>
>> Cheers, Gord VE3EOS
>>
>
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