> >  Ever run across one of these?
> >
> > http://en.wikipedia.org/wiki/Synchronome
>=20
> I've seen an article about a super-accurate lab clock with a pendulum in =
a
> vacuum, so it's probably that one although I didn't remember the name
>=20
> There are horologists who spend waaaaaaaaaaaaay more time than I do on
> some very elaborate mechanisms. I'm not devoted to any particular past-
> time, I dabble all over the place

You mean like John Harrison ?
http://en.wikipedia.org/wiki/John_Harrison


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