[time-nuts] Quartz assisted pendulum clock.

[JayHolovacs]

A pendulum is constant in the absence of forcing (which is why deadbeat 
and grasshopper escapements are so successful), however it's rate can be 
momentarily altered by any kind of pulse.

John Miles wrote:

>>    
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>Right, or whether there's an electromagnet that gives it a push or a pull
>once in awhile.
>
>-- john, KE5FX
>
>
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