
Title
Astrolabe
Caption
Astrolabe about AD 1345 - 1355 An astrolabe is an astronomical instrument that enables the user to determine the time during the day with the help of the sun, and at night with the help of the stars. It can also be used in the preparation of horoscopes and for surveying purposes – to name but a few of its functions.
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP11A00_343
License type
Rights managed
Available size
50,9Mb (2,0Mb) / 13,8in x 14,3in / 4152 x 4284 (300dpi)