Title
Aerial Telegraph
Caption
Aerial Telegraph. Roman signal towers. A basket containing fire was hung from an arm near the top of the tower and used to signal a message which was passed along a chain of similar towers. Liebig trade card c.1900. Chromolithograph
Date
20th century
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07102_390006039
License type
Rights managed
Available size
24,1Mb (1,7Mb) / 11,8in x 7,9in / 3543 x 2375 (300dpi)