[time-nuts] So what’s inside that Cs Beam Tube anyway?

[paul swed]

William thats what I found also. Now you have to get it into the tube.
To the comment on heating. Thats sort of how Frankenstein works 5060 tube
in a 5061. I designed a DC oven controller and run the oven hotter.
I now speculate the reason they ran the ac oven was because DC interferes
as a magnetic field. The signal is noisy but locks always. This tube is so
weak that only through more amplification an external meter and magnifying
glass do I find beam peaks. But they are there. Talk about a pain to tune
for.
By the way to prove that theory I need to build a AC oven controller. Sort
of just haven't gotten there.
??? For really smart folks.
Frankenstein runs slightly fast and I can see this. If the Cesium is hotter
then the  specified temperature I suspect the lines slightly move.
Everything will lock but its not correct.
Is that a reasonable answer?
Thanks
Paul
WB8TSL

On Wed, Nov 2, 2016 at 12:04 PM, William H. Fite <omniryx at gmail.com> wrote:

> I may be missing something (as I often do) but why not just buy some
> cesium? About ten bucks a gram for high-purity metal in glass ampoules.
>
>
> On Wednesday, November 2, 2016, Peter Reilley <preilley_454 at comcast.net>
> wrote:
>
> > 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?
> >
> > Pete.
> >
> > 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.
> >>
> >> Regards
> >> Paul
> >> WB8TSL
> >>
> >> 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.
> >>>
> >>> Rick
> >>>
> >>>
> >>> 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
> >>>>
> >>>>> here.
> >>>>>
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