e) Fore and aft vibration of thrust bearing 

 foundation. 



f ) Any other structural vibration deserving 

 of record. 



(3) Oscillograph records of the anchor drop -and -snub 

 test should be submitted directly to The Society of Naval Architects 

 and Marine Engineers Hull Structure Committee. If they do not con- 

 tain a time indicator, the paper speed at which they were recorded 

 should be noted on each record. 



c. Characteristics of the instrumentation used in the test 

 shall be reported as follows: 



(1) Component identification. 



(2) Block wiring diagram. 



(3) Calibration curves . 



(4) Exact location of pickups. 



d. The test report shall note the hull natural frequencies 

 which were identified, and shall also mention any undesirable or 

 unusual vibration condition encountered. 



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