[time-nuts] So what’s inside that Cs Beam Tube anyway?
preilley_454 at comcast.net
Wed Nov 2 11:57:00 EDT 2016
Just throwing this out: would it be possible recover the cesium by heating
the tube but cooling it near where the reservior is? This might cause the
cesium to migrate in that direction and some of it end up in the reservior?
On 11/2/2016 11:38 AM, paul swed wrote:
> Oh yes and guess which tubes we find? The 40 year olds at ham prices. :-)
> At least thats what I have.
> Like your comment as so far what I have learned is that seems like other
> things going on.
> I sort of believe its C pollution of things like the ionizer and even the
> photo tube elements over time. Its a curiosity without much of a way to
> prove it.
> On Wed, Nov 2, 2016 at 10:53 AM, Richard (Rick) Karlquist <
> richard at karlquist.com> wrote:
>> This has probably been covered here before, but, at least going
>> to the 5071A, now 25 years ago!, all CBT's, whether high
>> performance or not, have the same amount of cesium inside.
>> This means that the standard performance (never call it
>> "low" performance) CBT has enough cesium to last 30 years!
>> Thus for those tubes, we can rule out cesium replenishment
>> even if it were possible.
>> On 11/1/2016 8:38 PM, Mark Sims wrote:
>>> You mean I can't just drill a hole in, wash out the old cesium with some
>>> tap water ;-), toss in some new cesium, suck out the air, bung a cork in
>>> the hole, and call it a day? Drat! foiled again...
>>> Because it's not that easy. We are talking about a high vacuum system
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