[time-nuts] Mechanical 1PPS Oscillator Disciplining

[Hal Murray]

holrum at hotmail.com said:
> Basically the solenoid nudged the pendulum

There was an article in Scientific American many years ago.  They used a 
magnet mounted on the end of a stick attached to the pendulum arm.  The arc 
of the magnet swung through a hole in the middle of a solenoid coil.  A pulse 
on the coil at the right time provided the nudge with no physical contact.
 

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