"An Ingenious Aberdonian", The Scots Magazine John R. Stevens (editor) (1989,90) Pioneers of Electric Railroading: Their Story in Words and Pictures, Chapter 1, pages 1 – 6, published by The Electric Railroader's Association John Aspinall (1909) Presidential Address to the Institution of Mechanical Engineers (appendix) includes extract from Railway Times, 10 December 1842. 1804 births 1894 deaths Scottish inventors People from Aberdeen Alumni of the University of Aberdeen Scottish railway mechanical engineers British railway pioneers Sustainable transport pioneers 19th-century British businesspeople