[tz] What data should TZDB offer?

[Steve Allen]

On Mon 2021-06-07T20:14:00+0100 Clive D.W. Feather via tz hath writ:
> I was wandering round the Fitzwilliam Museum in Cambridge the other day and
> noticed a Thomas Tompion (1639-1713) clock. It had two hands and a dial
> with Roman numerals I to XII twice going round it. Outside that, in Arabic
> numerals, were 5, 10, ..., 60, also twice. At the top it said "EQVAL 60 TIME".

> So 1800 is perhaps a bit late, at least for some places.

A clock of this quality would be sold as a "regulator" and priced
accordingly.  Not even most observatories had clocks accurate to one
second until around 1800.  If one second is the standard then 1800 is
a good guess at the year.

--
Steve Allen                    <sla at ucolick.org>              WGS-84 (GPS)
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