During 1882 work commenced on the erection of a telegraph line from Booligal to Wilcannia. Its advantage was that it could make maximum use of a telegraph line. Dumas also describes in details the functioning of a Chappe telegraph line. A telegraph line reached Velletri in 1856. In addition to the telegraph line, telegraph stations and offices opened at several locations. This allowed the text to be typeset to be supplied over a telegraph line (TeleTypeSetter). It started in 1854 with the first telegraph line in Egypt. Pantelegraph was successfully tested and approved for a telegraph line between Paris and Lyon. By 24 January a telegraph line reached Prahsue. The first telegraph line was installed as early as 1839. The operator inserted a brass pin to connect one telegraph line to another. In 1862 a telegraph line was opened between Wollongong and Bellambi. The Overland Telegraph line was constructed in the 1870s along the route identified by Stuart. In 1850, the first experimental electric telegraph line was started between Calcutta and Diamond Harbour. The first domestic telegraph line appeared during 1852 in Rio de Janeiro.