Dear friends.
till now I have sent the article on the CD diffraction sundials to 28
people that have asked me for it.
Two people could not read it because of the format.
I beg other people that can't read the article to tell me and I will send
it in another format. The available format
Dear friends,
some months ago I had announced to Sundial List the pubblication of an
article written by me and Cesare Lucarini about the construction of
sundials using the diffraction produced on the surface of a CD from the
rays of the solar light. The article has been published non only in
Dear friends, some months ago I had announced to Sundial List the
pubblication on "Astronomia", organ of the Unione Astrofili Italiani, of an
article on the construction of sundials using the diffraction produced on
the surface of a CD from the rays of the solar light. The article has not
been ye
