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Published online by Cambridge University Press: 14 September 2016
I am indebted to the Air Ministry for permission to use the material contained in the various official reports dealing with this subject, and I wish to say that the views expressed in this paper are my own personal views and do not in any way represent the official view of the Air Ministry, nor indicate the policy to be pursued.
I am also indebted to the makers of the aircraft for supplying information in such detail and for permission to make use of this information.