SUBJECT INDEX 



Model 4133-1, emergency cargo vessel, tests 



of, 775 

 Model 4l44, AKA prototype, 528-foot vessel, 



tests of, 701 

 Model 41 46, passenger-cargo vessel, tests of, 



702 

 Model 4152, AKA prototype, 528-foot vessel, 



tests of, 735, 735A, 735B 

 Model U152-1, AKA prototype, 528-foot vessel, 



tests of, 735A 

 Model 4152-2, AKA prototype, 528-foot vessel, 



tests of, 735B 

 Model 4187W 1 tanker> sing ie-screw, tests of, 



41 87VJ-1J 650 

 Model 4190W, emergency cargo vessel, tests of, 



775 

 Model 4191, AKA prototype, 528-foot vessel, 



tests of, 735 

 Model 4192W, ferry, 450-foot twin-screw, tests 



of, 737 

 Model 4193W, ferry, 450-foot twin-screw, tests 



of, 737 ' . 



Model 4194-1, ferry, 450-foot twin-screw, 



tests of, 737 

 Model 4300, experimental boat hull, basic 



form, tests of, 740 

 Model 4309, experimental boat hull, Scheme I, 



tests of, 764 

 Model 4310, experimental boat hull, Scheme J, 



tests of, 738 

 Model 4312, experimental boat hull, Scheme L, 



tests of, 757 

 Model 4315, experimental boat hull, Hacker 



form, tests of, fj6 

 Model 4340W, Seatrain, tests of, 747, 747A 

 Model 4342W, fast cargo vessel, tests of, 759 

 Model 4375, aircraft rescue boat, 90-foot, 



tests of, 782 

 Model 4377, aircraft rescue boat, 52-foot, 



tests of, 769 



NACELLE, for jet propulsion, model tests of, 



. T-212 

 NAJ Beacon, design and development of, 659 

 NATCHEZ, tests of, model, 167 

 National Defense Research Committee tourmaline 



gage, R-282 

 Natural frequency. See Frequency; Vibration. 



Naval experimental station, establishment of, 

 T-81 

 Lichtenrade, T-87 

 NavTechMisEu. See U.S. Naval Technical Mission 



in Europe. 

 NECHES, natural frequency of, full-scale,. 263 

 Neoprene waterproofing, method of applying to 



strain gages, 627 

 Netherlands Model Basin. See Model Basin, 



Netherlands. 

 Netherlands SS ORANJE, design of, model, T-128 

 Neutralizers, of vibrations, 449 

 NEW JERSEY (BB62), axial vibration of propulsion 



system of, full-scale, 55"! 

 NEW MEXICO (BB40), speed and power data, full- 

 scale and model, R-l 39 

 Newport News Shipbuilding and Dry Dock Company, 

 liner, rudder force test of, model, 607 

 tanker, single-screw, model tests of, 653 

 single-screw, standardization trials of, 

 full-scale and model, 75° 

 New York Shipbuilding Corporation, tanker, model 



tests of, 696, 696A, 696B 

 NIAGARA (APA87), vibration survey of, full- 

 scale, 699 

 NJASSA, test station aboard, T-63 

 No-load tests, of German minesweeper, EMS-1 , 



full-scale, 649 

 Noise, background, levels and frequency distri- 

 bution of in test basins, 643 

 hydrodynamic , development of hot-wire methods 



for velocity measurements in water, 592 

 isolation of, by mounts, progress report, 672 

 wave effects in mounts for, 766 

 Noise-isolation mounts, evaluation of, progress 

 report , 672 

 wave effects in-, j66 

 Noise survey, of ANDERSON (DD411 ) , full-scale, 

 R-l' 2 

 of BAGLEY (DD386), full-scale, R-4, R-8 

 of HAMMANN (DD412), full-scale, R-l 2 

 of HUGHES (DD410,), full-scale, R-l 

 of LANG (DD399), full-scale, R-23 

 of MUGFORD (DD389), full-scale, R-4 

 of MUSTIN (DD413), full-scale, R-l 4 

 of PHOENIX (CL46), full-scale, R-3 

 of RUSSELL (DD414), full-scale, R-l 9 

 of ST. LOUIS (CL49), full-scale, R-7 



