Appendix 
Mr. J.R. Littlefair 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Mr. B. W. Lythall 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. H.H. Margary 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Dr. H. Medwin 
U.S. Office of Naval Research 
London Branch 
Keysign House 
London, England 
Dr. J.H. Mole 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. A. Nairn 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. G. W. B. Neal 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. E. Neppiras 
Mullard Limited 
London, England 
Mr. R. B. Newman 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. T. O'Brien 
H. M. Admiralty 
London, England 
Mr. Aubrey Pryce 
Office of Naval Research 
Washington 25, D.C., U.S.A. 
Mr. E.D. Rabun 
Bureau of Naval Weapons 
Washington 25, D.C., U.S.A. 
Mr. J. W. Ramsey 
Admiralty 
Bath, Somerset, England 
Mr. J.D. Rands 
Department of Physics 
Imperial College of Science and Technology 
London University 
London S, W. 7, England 
Professor R. E.H. Rasmussen 
Tekniske Hgjskole 
Pstervoldgade 10 
Kobenhavn K, Denmark 
Mr. Charles Reis 
Research Consultant 
Hewlett-Packard Company 
1501 Page Mill Road 
Palo Alto, California, U.S.A. 
Mr. R. W. Renson 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
353 
Mr. T.N. Reynolds 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. H, Ritter 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Lta. (I) G. Rittore 
Italian Navy Mariperman 
La Spezia, Italy 
Mr. A. Y. Robin 
Society Alsacienne de Constructions Mecaniques 
69 Rue de Monceau 
Paris, France 
Dr. A. Roshko 
U.S. Office of Naval Research 
London Branch 
Keysign House 
London, England 
Mr. J.S.M. Rusby 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Mr. D.L. Ryall 
Admiralty Research Laboratory 
Teddington, Middlesex, England 
Ir. H.A. J. Rynja 
Physics Laboratory 
National Defence Research Council 
The Hague, Netherlands 
Mr. J. Sands 
Royal Naval College 
Greenwich, England 
Dr. Sauls 
Royal Naval College 
Greenwich, England 
Dr. Daniele Sette 
Department of Engineering 
University of Rome 
Rome, Italy 
Mr. Stig Sdderqvist 
A.B. Akustikbyran 
Atterbomsvagen 50 
Stockholm, Sweden 
Dr. D. Stansfield 
Admiralty Underwater Weapons Establishment 
Portland, Dorset, England 
Mr. H. Sussman 
U.S. Navy Underwater Sound Laboratory 
Fort Trumbull 
New London, Connecticut, U.S.A. 
Professor G. B. Thurston 
Department of Physics 
College of Arts and Sciences 
Oklahoma State University 
Stillwater, Oklahoma, U.S.A. 
Dr. W.C. Thompson 
U.S. Office of Naval Research 
London Branch 
Keysign House 
London, England 
