Copies 



Dr. A. Miller, Bureau of Ordnance, Navy Department, Washington, D.C. 



Dr. J.V. Wehausen, Editor, Mathematical Reviews, Providence, R.I. 



Prof. J.H. Rushton, Department of Chemical Engineering, Illinois 

 Institute of Technology, Chicago ~\6, 111. 



Librarian, American Society of Mechanical Engineers, 29 West Thirty- 

 Ninth Street, New York 18, N.Y. 



Librarian, American Society of Civil Engineers, 33 West Thirty-Ninth 

 Street, New York 18, N.Y. 



Dr. C.L. Pekerls, Institute for Advanced Study, Princeton, N.J. 



Dean M.P. O'Brien, Department of Engineering, University of Cali- 

 fornia, Berkeley 4, Calif. 



