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Published online by Cambridge University Press: 14 September 2016
In the following paper the writer's aim is to indicate certain possible lines of development and research which his own investigations and preliminary experiments have shown to be at least worthy of serious consideration.
If we review the present state of the art we find the position to be substantially as follows :—From a thermodynamic point of view the performance of the modern aero engine has approached so nearly to the ideal obtainable from the cycle on which it operates that there is little scope for improvement.
Note on page 165 * W. J. Walker. Proceedings of the Institution of Mechanical Engineers, December, 1920.