
Title
The use of a polemoscope, a kind of periscope, to direct artillery fire
Caption
Engraving depicting the use of a polemoscope, a kind of periscope, to direct artillery fire. Dated 19th Century
Date
19th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP23A15_207
License type
Rights managed
Available size
180,0Mb (8,3Mb) / 28,5in x 24,5in / 8552 x 7356 (300dpi)