[tz] St Andrews meridian in the 17th century

[Lester Caine]

On 05/10/14 15:48, Peter Ilieve wrote:
> "The 17th Century Scottish astronomer and scientific pioneer
> James Gregory laid down a meridian line across the floor of his
> lab at St Andrews University in 1673, almost 200 years before the
> Greenwich Meridian was established and arbitrarily adopted as the
> world’s official prime meridian.

But the Ferro meridian was established in 1634. So there are several
counter claims on who was 'first' ...

It is this area that wy own interests lie, and it is not clear from the
limited data provided on James Gregory if his meridian was actually
associated with setting time anywhere other than St. Andrew? Just what
was the spread of usage of common time across the UK back in the 17th
century?

-- 
Lester Caine - G8HFL
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