Title
Early example of principles of levelling
Caption
Early example of principles of levelling. Dated 14th Century
Date
14th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP17A23_204
License type
Rights managed
Available size
60.0Mb (2.2Mb) / 14.9in x 15.6in / 4475 x 4686 (300dpi)