[Milsurplus] puzzler - module with glass rod?

[Andy Young]

I've been following this thread with interest from here in the UK.

A long shot, but is there any chance the device is related to the type of
thing shown in http://www.tubecollector.org/cv2157.htm ?

There are a variety of similar devices shown on that website.

Andy
M0FYA

-----Original Message-----
From: Milsurplus [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of
KD7JYK DM09
Sent: 05 April 2016 04:04
To: Ian Wilson <ianmwilson73 at gmail.com>
Cc: Military Surplus Mail List <milsurplus at mailman.qth.net>
Subject: Re: [Milsurplus] puzzler - module with glass rod?

: Way too big to be a SAW device, methinks.

Yes, BUT...  Look how it's designed, how it's labeled and work back,
technology wise, a good chunk of a century...  Think of the first
transistors compared to the ones we have now that are measured in size
comparable to wavelengths of light.  Could be an old, inefficient and low
frequency SAW filter.

Kurt

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