[time-nuts] How quartz crystals are (were) fabricated

[Pete Lancashire]

I can't find it but I saw a reference to how may units were made during
WWII, does anyone have the number and the reference ?

-pete


On Wed, Jul 31, 2013 at 2:59 PM, Alberto di Bene <dibene at usa.net> wrote:

> A really fascinating story in pictures of the preparation and manufacture
> of quartz crystals for radio communication.
> Dating back to 1943... how times have changed...
>
> Copied from another list.
>
> http://archive.org/details/**6101_Crystals_Go_to_War_01_20_**16_21<http://archive.org/details/6101_Crystals_Go_to_War_01_20_16_21>
>
> 73  Alberto  I2PHD
>
>
>
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