Pa^e 



Navy Civil Engineering Laboratory 61, 163, 250, 258 



Navy Diving and Operations Manual 282, 424 



Navy Material Command, recommended oxygen concentrations 412 



Navy Undersea Center 65, 121, 151, 163 



NEKTON ALPHA 55 



JSEKTOIS ALPHA. BETA, GAMMA, described 161 



manipulator characteristics 530 



role in rescue 571 



ISiEMO 47,61 



air conditiong system 430 



anchoring system 294 



described 163 



hull construction 253 



viewing arrangements 457 



NEREID 330 65 



described 165 



manipulator characteristics 528 



NEREID 700 65,165 



Newcastle University 406 



Newman, John 506 



New York Zoological Museum 32 



Nicholson, W.M. 420 



Noise, effects on operator 462 



Nonsuch Island, Bermuda 34 



NR-1 60,334 



Normal temperature and pressure (NTP), defined 282 



Nuclear power 334 



Observers, defined 76 



OCEAN FLEAS 209 



Oceanic Foundation, Makapuu Point 147 



Oceanic Institute, Makapuu Point 147 



Office of Naval Research 39 



Open circuit breathing, emergency use of 667 



Operational instruments and devices (vehicle) 467 



Operational safety 644 



Operating depth, defined 76 



Operating/scientific equipment, defined 76 



Operator, defined 7 



USN definition 642 



OPSUB, described 167 



ORTOLANE (ASR-22) 703 



Oxygen concentration, effects on humans 412 



concentrations recommended by MTS 412 



control of flow 414 



external/internal storage requirements 412 



liquid, advantages of 416 



recommended storage flask pressures 414 



replenishment 412 



sensor, sea water 544 



Pallange, George 357 



PAULO I 64 



described 169 



Payload, defined 76 



requirements in design 18 



754 



