[time-nuts] HP 5065A rubidium lifetime

[Robert Atkinson]

There is a common use for Phosphoric acid. It's used as a rust conversion compound. Jenolite is a trade name in the UK, not sure about in the USA.Oh, and it's in Coke, hence the old penny cleaning trick.
Robert G8RPI.

--- On Sun, 21/3/10, paul swed <paulswedb at gmail.com> wrote:

From: paul swed <paulswedb at gmail.com>
Subject: Re: [time-nuts] HP 5065A rubidium lifetime
To: "Discussion of precise time and frequency measurement" <time-nuts at febo.com>
Date: Sunday, 21 March, 2010, 20:43

Were do you obtain a small amount of phosphoric acid????
Also when I looked it up they said it was H3PO4. Doesn't sound like the
same.
Is there a common use for it?

On Sun, Mar 21, 2010 at 1:58 PM, randy hunt <randy_hunt960 at yahoo.com> wrote:

> Try measuring a known length of the resistance wire, say 6 inches and then
> double. . .
>
> Randy
>
> Hi
>
> Next step would be to figure out what a reasonable ohms / foot number
> is.
>
> Bob
>
>
> On Mar 21, 2010, at 12:41 AM, Chuck Harris
> wrote:
>
> > HP just wound two parallel wires around the cylinder.  They
> did not
> > twist.  The wires at the entrance end of the solenoid went to
> the
> > electronics, the wires at the exit end of the solenoid were
> shorted
> > together... I think they used a crimp for the short.
> >
>
> > -Chuck Harris
> >
> > J. L. Trantham wrote:
> >> Do you
> make a 'twisted pair' and then wind that or just wind two parallel
> >>
> wires around the cylinder?
> >> Joe
> >
> >
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