
Title
A blueprint machine
Caption
Engraving depicting a blueprint machine. Dated 20th Century
Date
20th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A15_436
License type
Rights managed
Available size
60,0Mb (5,9Mb) / 13,1in x 17,8in / 3929 x 5338 (300dpi)