At 10.06 26/04/97 +0100, Eichholz wrote: > > >Dear Fer, >But to solve the miracle of Achas Sundial the question was and is: >Under what conditions did the Achas Sundial work? > ------------------------- A one million dollars question, isn't it? If you understand Italian language, I may notice you a good work by Marianeschi and Severino in "Atti del VI seminario di Gnomonica, San Benedetto del Tronto, 1994", titled "La retrogradazione dell'ombra". The authors scann all the possibility, the shapes of the dial, calculations, and other points.
Regard Mario Arnaldi ============================ MARIO ARNALDI Viale Leonardo, 82 48020 Lido Adriano RAVENNA ITALY E-Mail - [EMAIL PROTECTED] ----------------------------
