[Milsurplus] 1943 US Navy "Notes on Communication Security"

[Gene Smar]

Nick:

 

     Many thanks.

 

 

73 de

Gene Smar  AD3F

 

 

 

From: milsurplus-bounces at mailman.qth.net [mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Nick England
Sent: Thursday, October 19, 2017 12:36 PM
To: Military Surplus Mail List <milsurplus at mailman.qth.net>
Subject: [Milsurplus] 1943 US Navy "Notes on Communication Security"

 

I just scanned this interesting little pamphlet -
http://www.navy-radio.com/manuals/commsec-1943.pdf

Cheers,


Nick England K4NYW

www.navy-radio.com <http://www.navy-radio.com> 

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