31. *1850s-1860s : Railroads begin using the electric telegraph to control train movements through the use of train orders. 32. In 1836 Elderton, David Alter invented the electric telegraph , one year before the popular Morse telegraph was invented. 33. The electric telegraph was installed in 1846 47 on the York & Newcastle and Newcastle & Berwick railways. 34. In 1852 the Company installed the electric telegraph throughout its main line, at the time a remarkably progressive investment. 35. The Army Post Office Corps was subsumed into the Royal Engineers because of the Engineers'interest in electric telegraph systems. 36. He was as director of the Electric Telegraph Company, and with Joseph Adshead he established the Manchester Night Asylum. 37. The Electric Telegraph Company of Ireland used the system in 1852, and Dering was made a Great Northern Railway. 38. From this point the use of the electric telegraph started to grow on the new railways being built from London. 39. An electric telegraph station was built in 1846, and in 1856 the North Pennsylvania Railroad completed a branch to Doylestown. 40. BT's origins date back to the founding of the Electric Telegraph Company in 1846 which developed a nationwide communications network.
