[time-nuts] Antique pendulum clocks

Steve Allen sla at ucolick.org
Thu Nov 21 03:33:52 UTC 2019


On Wed 2019-11-20T16:51:00-0900 Bill Beam hath writ:
> Most people interested in this problem have been dead for about 200 years.

Au contraire.  The BIH started operations early in the 1920s and those
volumes of BIH Bulletin Horaire are scanned online.  The first 20
years relied largely on pendulum clocks, and there are lots of fun
diagrams of early electronics and radio tech too.

--
Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
UCO/Lick Observatory--ISB 260  Natural Sciences II, Room 165  Lat  +36.99855
1156 High Street               Voice: +1 831 459 3046         Lng -122.06015
Santa Cruz, CA 95064           https://www.ucolick.org/~sla/  Hgt +250 m




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