A Meeting of the Society was held in the Lecture Hall of the Institution of Mechanical Engineers, Storey's Gate, St. James's Park, Westminster, London, S.W.I, on Tuesday, February 20th, 1945, at which a paper by Air-Qommodore F. R. Banks, O.B.E., F.R.Ae.S., on “ The Importance of Power Unit Development,” was read and discussed. In the chair, the President, Sir A. H. Roy Fedden. The CHAIRMAN: Air-Commodore Banks had played an active and important part in engine development during the period between the two world wars. He had filled various positions successfully during the present war at the Air Ministry and the Ministry of Aircraft Production, holding at the moment the key position of Director of Engine Development at M.A.P.