The oldest astrolabe was designed by Nastulus in 927.
Reproduction of first astrolabe made by Michael Asineus, more info on Antiquus.
Beautiful astrolab photo by Nicolas Brodu, more info on the photo.
Photos and great article on Arabian Gulf Miniatures, here.
The 'Chaucer' astrolabe from British Museum in London, more info in Instuitute of Historical Research.
Astrolabe in National Museum of Syria, more info here.
Check also part 1.
