[ARC5] A History of the Quartz Crystal Industry in the USA | IEEE UFFC

[Gene Smar]

This is my favorite treatise on the history of the quartz crystal industry. 

https://ieee-uffc.org/about-us/history/uffc-s-history/a-history-of-the-quartz-crystal-industry-in-the-usa

73 deGene Smar AD3F 


Sent from my Radio Shack TRS-80 model 100 laptop
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/arc5/attachments/20230731/05ecbaa6/attachment.html>