I believe that there is a rather large and splendid analemmatic noon
mark a couple of years old high on a new building which could possibly
be not a million millimetres from where you may or may not have been,
Frank. I do hope that somebody manages to photograph it one day; when I
first chanced
The recent correspondence on meridian alignments has been interesting
but I agree with Andrew James that the 'da
Vinci code' should have the health warning.
How far back do we wish to go with the situation regarding the 'prime
meridian'? Since the time of Ptolemy (the
Almagest man) and
Dear Sundial Friends,
I am trying to find the earliest evidence
for sundials made in Europe with gnomons aligned to the Earth's axis. They
were commonly in use after about 1550, (e.g., Nuremberg diptych dials), but I
believe that there are much earlier ones. Rohr, in his book, believes that
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