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Published online by Cambridge University Press: 28 July 2016
This is the fifth occasion on which I have had the honour to address our Society and the third time I have chosen to discuss the same subject: “The stalling of aeroplanes.” I should apologise for thus harping upon a single string were it not that no subject could be more appropriate to an address in memory of Wilbur Wright, and were it not that until the stall is thoroughly understood and its attendant dangers pushed out of the way, aviation will not be free to play the great rôle which it is undoubtedly destined to play in the civilisation of the world.
page 757 note * These, and similar diagrams, are free-hand sketches in which the outlines of the turbulent regions are from actual observation, but the streamlines and the details of the turbulent motions are filled in by eye to make the figures more readily understandable. These details are not based on precise observation or calculation.