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Oakbank Oil Company of Glasgow and of Winchburgh.
19th cent: Winchburgh had a thriving oil shale mining industry.
c.1868 Mr. Fraser, of Glasgow, and William Kennedy (1837-1899) purchased the Oakbank Oil Works, near Calder.
George Thomas Beilby and William Young increased the yield of oil, ammonia, and other useful materials from the shale by retorting and fractional distillation improvements. Their Young and Beilby patent retort was patented in 1882.
1886 The company was registered 7 January, to take over the properties of a company of the same name. 
1903 The Oakbank Oil Company opened a new crude oil works at Niddry Castle to process shales mined beneath Hopetoun Estate. These works were amongst the earliest to employ electrically-powered machinery; electricity was also used to power the narrow-gauge railway hauling shale from the mines to the works. Electric Locoomotives No. 1 and No. 2 were imported from North America to work the railway.
1959 Crude Oil Works at Niddry Castle closed together with the railway.
Note:. No. 2 Locomotive has been preserved and can be seen at the Almond Valley Heritage Centre, Livingstone, Scotland.