[time-nuts] So what’s inside that Cs Beam Tube anyway?
paulswedb at gmail.com
Wed Nov 2 11:38:47 EDT 2016
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
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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