[Milsurplus] Quartz crystals at war - the book

[Gene Smar]

Google "A History of the Quartz Crystal Industry in the USA" from IEEE for another in-depth read on the subject. 
73 de Gene Smar AD3F 

Sent from my Radio Shack TRS-80 model 100 laptop 
 
  On Sat, Oct 25, 2025 at 11:42 PM, Dave Merrill<r390a.urr at gmail.com> wrote:   ______________________________________________________________
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