[time-nuts] HP5061B Versus HP5071 Cesium Line Frequencies
kb8tq at n1k.org
Sat Jun 3 20:02:27 EDT 2017
A bit of “who knew what when” as far as crystal cuts:
The only one I could find online is the last one, sorry about that !! It’s also a fun read if you happen to be into 1950’s radio technology.
> On Jun 3, 2017, at 5:38 PM, Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> In message <CABXq0ZCZLhBjpZwt+JTXTgR+xGPraO9x9ewKWXs+JAYe2h87Sw at mail.gmail.com>
> , "Donald E. Pauly" writes:
>> Electronic thermal coolers did not exist then
>> Electronic temperature sensors did not exist either.
> 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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