MR. D. A. OLIVER, research director of William Jessop and Sons, Ltd., and J. J. Saville and Co., Ltd., Sheffield, while continuing in this position, has also been appointed director of research to the Birmingham Small Arms Group, of which Jessops and Savilles form part. The B.S.A. Group research activities, in addition to being carried on in the existing laboratories situated at the different works of the Group, notably the Daimler Co., Ltd., Coventry, the B.S.A. Co., Ltd., Small Heath, Birmingham, and B.S.A. Tools, Ltd., Birmingham, are to be considerably expanded. Recent additions to the research staff include Dr. A. J. Bradley, formerly of the Cavendish Laboratory, Cambridge, and Mr. P. H. Lawrence, formerly of the Ministry of Aircraft Production, London.