51 



Copies 



1 Librarian, American Society of Mechanical Engineers, 20 W. 39th Street, 



New York 18, N.Y. 



1 Librarian, American Society of Civil Engineers, 33 W. 39th Street, New York 18, 



N.Y. 



1 Librarian, American Chemical Society, 1155 16th Street, N.W., Washington 6, 



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1 Librarian, Franklin Institute, Parkway at 20th Street, Philadelphia, Pa. 



1 Librarian, Institute of the Aeronautical Sciences, 2 E. 63rd Street, New York 



21, N.Y. 



1 Librarian, Mechanics Research Library, Illinois Institute of Technology, 



Tech. Center, Chicago 16, 111. 



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1 Librarian, Pacific Aeronautical Library, 7660 Beverly Blvd., Los Angeles 36, 



Calif. 



1 Librarian, American Institute of Physics, 57 E. 55th Street, New York 22, N.Y. 



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32, N.Y. 



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1 Librarian, University of Illinois, Urbana, 111. 



1 Librarian, Babcock and Wilcox Company, Research and Development Department, 



Alliance, Ohio 



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1 Librarian, Institution of Chemical Engineers, 56 Victoria Street, Westminster, 



London SW1, England 



1 Librarian, The Institute of Physics, 47 Belgrave Square, London SW1, England 



2 Editor, Physics Abstracts, Institute of Electrical Engineers, Savoy Place, 



London W.C. 2, England 



1 Editor, Bulletin of the British Hydromechanics Research Association, Nettes- 



well Road, Harlow, Essex, England 



1 Editeur, La Houille Blanche, Boite Postale 41, Grenoble, France 



