[time-nuts] Antique precision timing device without, > electronics

Poul-Henning Kamp phk at phk.freebsd.dk
Fri Mar 17 18:22:59 EDT 2017

In message <338b9eed-8664-3876-afdf-610abc420dd3 at irtelemetrics.com>, Dan Kemppainen writes:

>What the lowest frequency tuning fork oscillator ever built? Was 1Hz 
>ever achieved commercially?

Does flagpoles count ?  :-)

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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