*Some other curious properties of the Italic and Babylonian hours.*
I will adopt here the Frank’s notation : F=French or modern hours;
I=Italic; B=Babylonian.
Moreover T=Temporary and D = duration of the clear day (from dawn to
sunset).
The simple following formulae are valid:
I=F+(24-D)
Chris you are right.
Moving a sundial in another place, you can redirect it so that the style
becomes polar. Then you can revolve it around its style to get the hour
lines in the correct position. To make this immaginary moving there are
different theories, for example you can calculate the new
Dear Frank,
This is an interesting thought...
> I'm starting to think that for a vertical
> dial in Italian hours it would be simplest
> to use the old dialist's trick of laying it
> out as a horizontal dial at ninety degrees
> away.
I think you will find a tiny snag or two in
this approach! Yo
Dear Frank
Sorry, but I'm pretty sure you can't use that trick because Italian and
Babylonian time are "local" in a way that modern hours are not. The modern
time at a location ninety degrees away is always a fixed amount before or
after the time you're interested in. For instance, for a wall in En
Greetings, fellow dialists,
I'm starting to think that for a vertical dial in Italian hours it would
be simplest to use the old dialist's trick of laying it out as a
horizontal dial at ninety degrees away.
Frank
---
https://lists.uni-koeln.de/mailm
It 'a great loss. I am saddened and I feel near to the family of Andre. I had
numerous contacts with her, especially for the preparation of the book on the
meridian lines of the world.
I express my condolences to his family.
Nicola
-- Initial Header ---
>From : sundial-bou
Dear Gianni,
I enjoyed your explanation and (I liked
the deliberate mistake which you included
to make sure we were paying attention)...
> If we have a horizontal sundial we
> cannot use the method that I have
> described yesterday.
Of course, we CAN use your yesterday's
method provided we accep
