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 Post subject: What is this Western Electric "thing"?
PostPosted: May Sun 12, 2019 4:36 am 
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Joined: Aug Thu 06, 2009 12:20 am
Posts: 413
Location: Wheat Ridge, CO
I bought a box of tubes today at a yard sale and this was at the bottom of the box. What is it? It says that it is a "Crystal Unit" and that's it. Is it worthless or worth a fortune? :wink:


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 Post subject: Re: What is this Western Electric "thing"?
PostPosted: May Sun 12, 2019 7:14 am 
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Joined: Sep Mon 16, 2013 2:42 am
Posts: 3477
Location: Tucson, Arizona U.S.A.
It's exactly what it says, a frequency control crystal. It's hard to read in the photo, but it looks like it might be 20 KHz. Higher quality crystals were frequently housed in tube envelopes.

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Jim Mueller


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 Post subject: Re: What is this Western Electric "thing"?
PostPosted: May Sun 12, 2019 8:17 am 
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Joined: Nov Sat 07, 2009 11:37 pm
Posts: 2184
Location: Sayreville, NJ 08872
Crystal and crystal oscillator housings come in many different forms:
Here's a few: http://www.leapsecond.com/museum/earth/

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http://www.classicradiomanuals.com


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 Post subject: Re: What is this Western Electric "thing"?
PostPosted: May Mon 13, 2019 7:00 pm 
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Joined: May Thu 14, 2015 4:15 pm
Posts: 1795
Location: Dallas, TX
If it is 20KHz, those low frequencies are hard to come by these days.
On the other hand, I can't think of a good place where it could be used.
Maybe it was used in a piece of test equipment.

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Tim
It's not the Destination, It's the Journey.


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