256
Fig. 15.3 The Sundial
made by Secchi on a wall
of St. Nile Abbey at
Grottaferrata (From:
Tuscano 2012a)
Unfortunately, a search has not yet succeeded in recovering those documents,
which may have been lost during the war. Secchi was in Cosenza in 1875, and on
October 18, he gave a lecture at the Telesio High School, “Sulla meteorologia e sul
magnetismo (On Meteorology and Magnetism).”
33
33 Op. cit., p. 45.
M. L. Tuscano