[time-nuts] One Kg Quartz Resonator

Fabio Eboli FabioEb at quipo.it
Tue Jan 22 19:14:12 EST 2013


Il 2013-01-22 23:19 Tom Van Baak (lab) ha scritto:
> Yes, Don, those old quartz bars are rare and amazing:
>
> http://leapsecond.com/museum/gr676b-50kc/
> http://leapsecond.com/museum/gr1190a/

What is the function of the (metal?) disc
plates near the two ends of the rods?
Their position seem to be trimmable.

Thank,
Fabio.




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