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Old 27th Nov 2017, 11:45 pm   #8
chriswood1900
Octode
 
Join Date: Jan 2007
Location: Dorridge, West Midlands, UK.
Posts: 1,474
Default Re: Fascinating Documentary about Quartz crystal manufacturing

Thanks for the link most interesting, it is the first time I realised how complex it was to make a crystal, I wonder does anyone know how much it has changed.
Chris
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