[time-nuts] Absolute time accuracy pre-Cesium?

[Steve Allen]

On Mon 2019-03-25T18:44:05-0400 John Ackermann N8UR hath writ:
> Does anyone have a pointer to information about the absolute time accuracy
> (not stability) that was available via PZT or other techniques prior to the
> Cesium definition?  I'm doing a presentation and want to show the evolution
> of accuracy.  My Google-fu has failed me in finding anything pre-Atomic.

https://www.ucolick.org/~sla/leapsecs/annastoyko.html

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