Addressee 
Director 
Hudson Laboratories 
145 Palisade Street 
Dobbs Ferry, New York 10522 
Director 
Seripps Institution of Oceanography 
La Jolla, California 92038 
Applies Physics Laboratory 
University of Washington 
1013 N. E. Fortieth Street 
Seattle, Washington 98105 
Director 
Ordnance Research Laboratory 
Penn State University 
University Park, Pa. 16801 
NAVY-1ND, DPPO, Newport, R. I. 
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TR No. 22 
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