[ARC5] AN/URM-90...

[Richard Knoppow]

      This is a general purpose impedance bridge something like the 
General Radio 1650-A but using tubes for oscillator and detector 
circuits.   It would be interesting to know the manufacturer if they are 
listed on the label. The dials look familiar but I can't quite remember 
the name of the company, the galvenometer looks like Leeds and 
Northrup.   If its working it should be a valuable instrument.
   There is a handbook on BAMA

On 5/7/2015 9:59 PM, Kenneth G. Gordon wrote:
> I found one of these in my stash. What's it good for?
>
> Ken W7EKB
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL