Dead in the world Indirect school telegraph wire militia fluctuate home delivery
Unused telegraph wires, pole and insulators - CN Rail righ… | Flickr
How perseverance laid the first transatlantic telegraph cable | Science Museum
Linemen Stringing Telegraph Wire Beside the Transcontinental Railroad on the Great Plains, 1860s' Giclee Print | Art.com
Colonial Australia Defining Moments, 1788–1900 | 1.11 Overland telegraph: 'Words singing in the wire' | Australia's Defining Moments Digital Classroom | National Museum of Australia