Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the Aeronautical Research Committee; National Physical Laboratory Gives the Aeronautical Research Committee permission to reproduce the paper by Professor [Charles Frewen] Jenkin originally in the Proceedings Volume A.109, and the paper by Messrs L. W. Bryant and D. H. Williams which will appear shortly in the Philosophical Transactions, in the Aeronautical Research Committee's Reports and Memoranda. 2 November 1925