NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: A key to the sketch map in "The geographical Lore..." of J.K. Wright (p. 245)
From: Vladimir Uvarov
Date: 2010 May 13, 23:39 -0700
From: Vladimir Uvarov
Date: 2010 May 13, 23:39 -0700
Thank you for information.
According to the map in "The geographical Lore..." (p. 245) the longitude of
Alexandria is 51;20 and the longitude of Alcufa is 69;30. The difference is
69;30-51;20=18;10.
In his work related to geodesy Abu Rayhan Biruni gives the following longitude
differences:
Alexandria-Raqqa = 11;45,15
Raqqa-Baghdad = 6;20,43
The sum is 18;05,58 approx. 18;10.
So, according to al-Biruni Alcufa is probably Baghdad
----------------------------------------------------------------
NavList message boards and member settings: www.fer3.com/NavList
Members may optionally receive posts by email.
To cancel email delivery, send a message to NoMail[at]fer3.com
----------------------------------------------------------------
