[Test-Equipment] Help ID NBS (aka NIST) Noise Source

[Brooke Clarke]

Hi Dennis:

I looks very similar to the Noise Source I have, see:
http://www.prc68.com/I/NSLB.shtml

The key thing is if the 5722 noise tube lights up.

Have Fun,

Brooke Clarke
http://www.PRC68.com


Dennis Wade wrote:
> Good evening,
>
>         I acquired the above noise source on a lark recently, simply
> because I like such things, and the "cool" factor is way high for me
> given the Radioastronomy and NBS linkages.  If it turns out to be
> useful in the shop, so much the better.  :)   I've taken some pictures
> of the inside and outside and posted them on Picassa Web.  Have a
> look.  The link is:
>
>
> http://picasaweb.google.com/Sacramento.Cyclist/NBSNoiseSource?feat=directlink
>
>         It was apparently made by Aerospace Research Inc. of Boston,
> Mass.  There is a date on the inside meter case of May, 1964.  The
> dynamo label on the front panel says checked in 1971.  I can find no
> mention of that company anywhere.  Anyone know what became of
> Aerospace Research?  Before I opened it up, I figured it would have a
> tube.  But, I don't think it does...unless there is a very small one
> inside the internal cage which you can see against the front panel on
> the inside.  Over all, the thing is in remarkable shape.  The range
> switch is quite stiff though.  I have not tried to power it on.
>
>         If anyone recognizes this thing, please let me know.
>
>         Have a look.
>
>