The Australian Overland Telegraph Line was an electrical telegraph system for sending messages the 3200 kilometres between Darwin, in what is now the Northern Territory of Australia, and Adelaide, the
Planting the first pole on the Overland Telegraph line to Carpentaria
Planting the first telegraph pole, near Palmerston (Darwin) in September 1870.
Repeater station at Alice Springs, c. 1880
Remains of the Overland Telegraph line at Tennant Creek converted into telephone circuits.
Oppenheimer pole
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Oppenheimer poles are galvanised iron telegraph poles. They consist of three oval sections that collapse into each other telescope-style for transportation. Once extended, the joints between the secti
Telegraph lines on an Oppenheimer pole outside the historic Alice Springs Telegraph Station on the former Australian Overland Telegraph Line
Repurposed Oppenheimer poles, William Creek Hotel, South Australia