Several automotive rust treatments contain Phosphoric acid. (In UK - Kurust)
----- Original Message -----
From: "paul swed" <paulsw...@gmail.com>
To: "Discussion of precise time and frequency measurement"
<time-nuts@febo.com>
Sent: Sunday, March 21, 2010 8:43 PM
Subject: Re: [time-nuts] HP 5065A rubidium lifetime
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_hunt...@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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