[Milsurplus] Help ID Signal Corps Crystal Tester

[Bob Camp]

Hi

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 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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