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Published online by Cambridge University Press: 04 July 2016
By inviting me to give the 25th Henson and Stringfellow Memorial Lecture the Committee of the Yeovil Branch and the Lectures Committee of the Main Society have done me an honour which I deeply appreciate and I hope that what I have to say may be sufficiently novel and interesting to do justice to this important occasion.
My subject is the story of the mild obsession which first aroused my interest in rotating wings and which has guided my steps at critical times over the past 50 years— a benign obsession in that for most of that time there was nothing that could be done about it so that it has not hampered the engineering work needed to implement the policies of my various employers. It was a matter of great good fortune for me that at just the right time some of the concepts underlying this lecture had hardened sufficiently for Westland to agree to my concentrating on this study during the last few years of my career.