[Milsurplus] Help ID Signal Corps Crystal Tester

[WA5CAB at cs.com]

Bob,

As to why I would want one, I sell a lot of surplus crystals for sets like 
the BC-611 and statistically about 5% turn up dead (but repairable, but you have 
to know it's dead in order to know you need to repair it).  However, I have 
the full set of Signal Corps rack mounted testers.  The reason I was asking 
about this one is that someone I know asked me to see whether I could help ID it. 
 He had one as a young ham in the 50's, so I guess it's probably like people 
who want a DX-20 for the same reason.  Nostalga.

In a message dated 11/29/2007 6:25:38 PM Central Standard Time, ham at cq.nu 
writes: 
> There are a *lot* of different crystal testers out there. They come in  
> a number of frequency ranges. They also went through several  
> generations of test sets.
> 
> Not quite sure why you would want one ....
> 
> Bob
> 
> 
> On Nov 29, 2007, at 10:53 AM, WA5CAB at cs.com wrote:
> 
> >Does anyone recognize what must have been a small (not the rack- 
> >mount ones) crystal tester probably dating from the late 40's or  
> >early 50's?  115 VAC operated, it has a 6X5GT rectifier and a 7C5  
> >oscillator.  One meter with a Zero-Operate switch.  Oscillator is  
> >set up like a TPTG.  All I have is the schematic sent by a guy in  
> >Sicily who is trying to ID something he once had, probably in order  
> >to try to find another one.  Nothing on the schematic he has by way  
> >of title block, and nothing about what crystal holder or frequency  
> >range it worked with.

Robert & Susan Downs - Houston
<http://www.wa5cab.com> (Web Store)
MVPA 9480
<wa5cab at cs.com> (Primary email)
<wa5cab at comcast.net> (Backup email)
   
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