Page 



Pressure testing, general considerations 266 



Pressure test facilities 276 



Pritzlaff, John 685 



PRIVATEER. M/V 60 



Privitt, Douglas "^95 



Project FAMOUS 70 



Project GULFVIEW 53 



Project NEKTON 39 



Project TITANES 351 



Propulsion/control devices, defined '6 



Propulsion devices, cycloidal propellers 373 



ducted propellers 372 



free propellers 371 



kort nozzels 372 



tandem propulsion 375 



varivec propulsion 377 



water jets 375 



Propulsion power requirements 395 



Pruna, Andres 555 



PRV-2 84 



PS-2. described 189 



Psychological aspects '*63 



Psychrocycle 337 



Psychrodiesel 337 



pilCE DE MER 209 



Purcell, John 624 



PX-8 101 



PX-15 57, 105 



QIIESTER I 84 



Rechnitzer, Andres 39 



Rescue, devices to assist underwater retrieval 675 



acoustic 680 



avoidance sonar 680 



environmental sensors 683 



external connections (air, gas, elec.) 682 



external lights 681 



lift padeyes 682 



marker buoys 680 



telephones 676 



Rescue potential, recovery '"" 



underwater personnel transfer 695 



Research instruments 555 



application in various projects 558 



Respiratory Quotient, derived 419 



Reynolds. J. Louis 44, 48 



Reynolds number 393 



Reynolds, Osborne 393 



Rodmeter 488 



Rudders 377 



Russner, C. 159 



Safety features, defined ' ' 



Santa Barbara City College 123 



Savonius roter 487 



757 



