That's pretty neat Gianni. The closest large German city at that latitude is
Frankfort. It would be interesting to see if Fer's equations produce the
same result.
Yes, the equations that Fer and I proposed do yield the same results
but, once again, Gianni's
method is the best one, because it is easier and more precise to measure
lengths than angles
(...provided that the equinoctial line is well traced and that the wall
is completely vertical!).
Grazie mile, signore Ferrari!
Anselmo Perez Serrada
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