On this day: Overland Telegraph constructed - Australian Geographic
Australian Overland Telegraph Line - Wikipedia
Before Underwater Internet Cables: The First Submarine Telegraph Line - The Atlantic
Two sides of the wire: how the Overland Telegraph brought colonial triumph and Aboriginal devastation | Northern Territory | The Guardian
The overland telegraph line • Photograph • State Library of South Australia
Old Telegraph Lines and Poles Stock Photo - Image of communication, line: 84567892
Telegraph lines running alongside the railroad in the 1800's - the telegraph was the telephone of its day, allowing ne… | America art, Landmark poster, Great plains
6,422 Telegraph Line Images, Stock Photos & Vectors | Shutterstock