Hi As with the one kg resonator, you need to mount the bar *somehow*. The idea is generally to suspend the resonator at a point that least affects the resonance (a dead spot). With a large bar, making it manually adjustable is practical. Not so much with a smaller part.
Bob On Jan 22, 2013, at 7:14 PM, Fabio Eboli <fabi...@quipo.it> wrote: > 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. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.