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Published online by Cambridge University Press: 28 July 2016
The Fifth British Commonwealth and Empire Lecture was given before the Royal Aeronautical Society by Mr. E. H. Atkin, B.Sc, F.R.Ae.S., on the 15th September 1949 in the Lecture Hall of the Institution of Civil Engineers, Great George Street, S.W.I. Sir John Buchanan, C.B.E., F.R.Ae.S., President of the Society, presided.