Dear Alberto,
did you take a look at the italian 'bible' of gnomonics (in my opinion),
i.e. 'Orologi Solari' by Girolamo Fantoni ?
There I think you can find what are you looking for, or, if not, tell me
something more, even in italian, outside the list.
E-hear you soon,
Fabrizio Massara
Civil Engineer
Turin, Italy
[EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
> Greetings all :
> I'm looking for a geometric construction demonstrating that babylonian and
> italian hours lines are the straight lines we know. I did 'nt find in any
> book the precise reason why these lines must be drawn in this way . I've
> made some effort myself without getting a convincing result. I'd appreciate
> some hint from you.
>
> Thank you
>
> Alberto Nicelli
> Italy ( 45 28' N ; 7 52' E )
