NAVAL ORDNANCE TEST STATION 



AN AaiVITY OF THE BUREAU OF NAVAL WEAPONS 



W. W. HOLLISTER, CAPT., USN 



Commander 



WM. B. McLEAN, PH.D. 



Technical Director 



FOIffiV/ORD 



This report describes an instinment, developed at the U. S. Naval 

 Ordnance Test Station, for the continuous and concurrent measureraent 

 of velocity of sound, temperature, and pressure at any ocean depth. 



The xvork was completed under the Bureau of Weapons Task Assign- 

 ment R36OFRIO6-216I-ROIIOIOOI . 



This report is transmitted for information purposes only. It does 

 not represent the official views or final judgment of the U. S. Naval 

 Ordnance Test Station, and the Station assumes no responsibility for 

 action taken on the basis of its content. 



RENE L. ENGEL 

 Head , Oceanic Research Division 



Released under 

 the authority of: 



CHAS. E. WARIKG 



Head , Research Department 



NOTS Technical Publication 2675 

 NAWEFS Report 765O 



Research Department 



Cover, 15 leaves, abstract cards 



l40 nvimbered copies 



UNCLASSIFIED 



