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of 23 Waterloo Place, Edinburgh.
1844 The North British Railway Company was established in 1844 and opened its first line, from Edinburgh to Berwick-upon-Tweed, with a branch to Haddington, in 1846.
1865 it took over the Monkland and Kirkintilloch Railway, the oldest in Scotland. Other amalgamations followed, altogether over 50 small lines being made part of the North British system, which ultimately totalled 2,739 miles.
1888 See Locomotive Stock June 1888.
1902 Article on the Cowlairs Incline Engine 
1908 The North British Railway Company is the result of the amalgamation of numerous undertakings. The company owns 1,095.75 miles of line, and partly with others, another 28.5 miles. 
1909 Charles John Brown was appointed chief engineer
During its existence the NBR absorbed the following companies: