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Old 17th May 2022, 9:42 pm   #7
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 20,236
Default Re: The James Knights Co. oscillator, 4.0 kc

THe resonator could be any of a number of things.... A flexural-shear mode quartz bar, probably in an evacuated glass holder, maybe a quartz tuning fork in vacuo. or a metal tuning fork also in vacuo. Any of these would benefit from an ovened environment.

David
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