Doug,
not sure if I understood it correctly, but check out San Petronio
Basilica in Bologna:
[example of the influence of precession on sundials]
...But considering the example the 66.8m meridian line of San Petronio
Basilica in Bologna which was planned by the famous astronomer Govanni
Domenico C
I have had the enquiry below from a student and I believe the group's
'international skills' will provide more answers than I can with our
lack of such dials in the British Isles.
In response to my initial reply I received the second courteous
message today, also below.
Regards, Doug
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