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Hello,
if anybody wants, login to "http://www.xdrive.com" under the login
"" (XDRIVE allows only valid e-mail addresses as logins,
as you probably know), password "celnav".
You have 60 MB photos of some historical navigation instruments kept in the
Marine Museum in Paris (directory "Musee de la Marine") there. I tried to
create the logical sequence of them from the nocturnal and the Jacob staff
to repeating lunar circles.
Of course, I am not a professional photographer and I didn't have the
instruments available "au plain air".
At the end of this week, I shall obtain some copies of Maskelyne's less
known works printed in the 18th century. It would be interesting to chat
about them a bit in the list.
Jan Kalivoda
