TTNQLASSIFIED 



Security Classification 



DOCUMENT CONTROL DATA • R&D 



body of abstract and indexing annotation inust be entered wbe 



overall report is classitied) 



ORIGINATIN G ACTt\/|"^Y (Corporate author) 



Navy Electronics Laboratory, San Diego, Calif. 

 92152 



UNCLASSIFIED 



None 



3 REPORT TITLE 



PRESSURE VESSEL FOR CALIBRATING SONAR TRANSDUCERS 



4. DESCRIPTIVE NOTES (Type ol report and inclusive dales) 



Research and development report, October 1964 to March 1965 



5 AUTHORrS; (La 



Green, C. E. 



6. REPO RT DATE 



26 July 1965 



None 



SF 101 03 18, Task 8049 



..PROJECT NO. (NELL30151) 



1301 



DRT NOfS; (Any 



' be assigned 



I VA ILABILITY/LIMITATION NOTICES 



Qualified requesters may obtain copies of this 

 report from DDC. Also available from Clearinghouse for Federal Scientific 

 & Technical Information. 



SUPPLEMENTARY NOTES 



12. SPONSORING MILITARY ACTIVITY 



Bureau of Ships, Department of the Navy, 

 Washington, D. C. 20360 



Acoustically transparent vessel houses a single transducer for testing under 

 pressure to 800 psig. Tests of B24FA transducer indicate marked difference in 

 transmitting response at depth. 



DD 



1473 



0101-807-6800 



UNCLASSIFIED 



Security Classification 



