Title
Instruments for timekeeping and direction finding
Caption
Instruments for timekeeping and direction finding in the Islamic world / based on shadow and twilight phenomena depending on the position of the sun.
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP11A03_435
License type
Rights managed
Available size
55.0Mb (2.5Mb) / 15.5in x 13.8in / 4654 x 4131 (300dpi)