Something that sticks in my mind - The S-S clock revealed that the

short-term variation in the Earth's rotation is a matter of seconds...

This took me some getting used to - YMMV.   :)



On 8/26/16, IVP <joecolquitt@clear.net.nz> wrote:
>> https://en.wikipedia.org/wiki/Shortt-Synchronome_clock
>
> Clever stuff innit
>
> I have seen it before. There's one I saw last year which also
> pushes the engineering boundaries. It was in a UK science or
> horological museum/institute. A really swish thing with three
> spherical pendulum weights, laboratory grade. Had a quick
> look through Google images but didn't see it
>
> Joe
>
>
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