Re: [tz] St Andrews meridian in the 17th century

Peter Ilieve <peter@aldie.co.uk> wrote:

St Andrews, on the Fife coast in the east of Scotland, had a meridian line set up some 200 years before Greenwich.

Dunno how they got 200 years from the difference between 1673 (Gregory's St Andrews meridian) and 1721 (Halley's transit circle) or 1750 (the Bradley meridian, used for the Ordnance Survey). Tony. -- f.anthony.n.finch <dot@dotat.at> http://dotat.at/ Trafalgar: Cyclonic in northwest, otherwise mainly northerly or northwesterly 5 or 6. Slight or moderate. Showers in northwest. Good.