[Milsurplus] Quartz crystals at war - the book

[Dave Merrill]

“Crystal Clear – The Struggle for Reliable Communications Technology in
World War II” by Richard J Thompson Jr.

--... ...-- Dave N9ZC

On Sat, Oct 25, 2025, 8:34 PM Ken Kinderman <scr274 at gmail.com> wrote:

> Someone recently mentioned a book about the procurement of quartz during
> World War 2. Can anyone help me pull up the title? It has to be an
> interesting story because linked to Roosevelt's policy of cozying up to
> Brazil and other South American countries that were also being romanced by
> the Germans looking for strategic materials... quartz for radios and lignum
> vitae for shaft bearings on Liberty Ships, among others.
>
> (still need to look at that YouTube video)
>
> Thanks,
>
> Ken
> W2EWL
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