Brian W
16-05-2011, 12:28 PM
http://www.astronomicalheritage.org/index.php?option=com_content&view=article&id=28&It
emid=33
Hi the above link will take interested parties to a marvellous book on astronomical heritage sites that covers arguably all eras, locations, cultures and techniques.
Brian
PS it is also a free and legal download.
B.
emid=33
Hi the above link will take interested parties to a marvellous book on astronomical heritage sites that covers arguably all eras, locations, cultures and techniques.
Brian
PS it is also a free and legal download.
B.