73 



SUBJECT INDEX 



Inventions, by Naval-establishment personnel, 



R-350 

 Iron, tests on, 205 



Jet drive, for high-velocity wind tunnels, 



T-219 

 Jet- propulsion, model tests of nacelle for, 



T-212 

 with cold jet, model testing of, T-217, 



T-218 

 Joints, sealed, bibliography, T-95 



in stationary machine parts, T-95 

 JUPITER [LANGLEY (CV1)], rolling tests on 



model of, 8, 13 



Kingsburg thrustmeter, 370 



Knees of frames, deformation in, 529 



strength of, R-53 



stresses in, 529 



Laminar flow, about ship models, 299 

 Landing craft, effective horsepower of, 619 

 LANG (DD399), noise survey of, full-scale, 



R-23 

 LANGLEY (CV1), formerly JUPITER, leeway due 

 to wind on model of, 109 

 rolling tests on, model, 18 

 Launching, catapult, 126 



of ALABAMA (BB60), data for, model, R-27 



of large ships, T-100, T-182 



of NORTH CAROLINA (BB55), data for, model, 



R-24- 

 of PRINZ EUGEN, data for, T-100 

 of SCHARNHORST, data for, T-100, T-105 

 of TIRPITZ, data for, model, T-100 

 of WASHINGTON (BB56), data for, model, R-24 

 Launching data, photographic methods of ob- 

 taining, full-scale, R-50 

 LCVP, effective horsepower of, 619 

 Leeway due to wind, on model of LANGLEY 



(CV1 ), 109 

 Lenses, Contax, analysis of, 424 

 Leveling a towed cylinder, devices for, R-68 

 Liberty ship, towing tests of models, 615 



underwater explosion research with, R-296 

 Lichtenrade Model Basin, T-87 

 Lift, of devices for leveling a towed 



cylinder, R-68 

 Lightweight design, for machine tools, T-101 



Lignum-vitae bearings, friction in, 360 

 Linear-sweep oscillator, 483 



Liquids, absorption of gas bubbles and droplets 

 in, T-108 

 gas bubbles in, size of, T-110, T-111 



speed of rise, T-146 



vibration of, T-1 09 

 Load capacity, of stressed plate, T-76 

 Longitudinal step, location of, 435 

 Losenhausen vibration generator, 539> 554 

 Low-frequency transit detector, R-51 

 Luminosity, in living organisms, T-221 



Machine parts, stationary, joints in, T-95 



Machine tools, design of, T-101 



MAHAN (DD364), service strain on, full-scale, 



467 

 MALOLO, model tests for, 145 

 Manometer, T-1 62 

 MARYLAND (BB46), standardization trials of, 



full-scale, 140 

 Mathematics, value of, in research, R-48 

 Mechanical changes, electronic measurement of, 



R-79 

 Mechanics, nonlinear, analytical methods, 5 t *6 

 nonlinear, relaxation oscillations, 564 

 resonance, 558 

 topological methods, 534 

 Medium steel. See Steel, medium. 

 Merchant vessel, model tests on propellers for, 



27 

 Metacentric height, changes in, model, 287 

 Metal sheets, method of welding, T-1 78, T-1 87 

 Metalectric strain gage. See Wire-resistance 



strain gage. 

 Meter, for measuring air content of water, 5^9 

 Meter disk, induced current in, T-1 30 



torque of, T-1 30 

 Micromanometer, T-1 62 



Migration, of underwater gas globes, R-182 

 Mine laying submarine SMI , steering control of, 



model, 101 

 Minesweeper, AUK (AM57), launching data for, 



full-scale, R-50 

 Minesweeping gear, 573 

 Model Basin, Gb'teborg, electrical equipment of, 



T-1 75 

 Hannover, towing carriage of, T-21 6 

 Lichtenrade, T-87 



