9^ 



SUBJECT INDEX 



Mark 13 torpedo, wake survey of, 583 

 MARYLAND (BB46) , standardization trials of, 



full-scale, 140 

 Mathematics, value of, in research, R-48 

 Mechanical changes, electronic measurement 



of, R-79 

 Mechanics, nonlinear, 534, 5^6, 558, 564 

 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-I78, T-1 87 

 Metalectric strain gage. See Strain gage, 



wire-resistance. 

 Meter, bar-magnet velocity, 7^3 



for measuring air content of water, 5^9 

 Meter disk, induced current in, T-1 30 



torque of, T-1 30 

 Microflash photography, time-delay circuit 



for, 525 

 Micromanometer, T-1 62 



Midget submarine. See Submarine, midget. 

 Migration, of underwater gas globes, R-182 

 Mine-laying submarine SMI , steering control 



of, model, 101 

 Mine-mooring cables, device for passing, 



model, R-143 

 Mines, techniques for, T-21 5 

 Minesweeper, airflow over bridge of, model, 

 R-209 

 AUK (AM57), launching data for, full-scale, 



R-50 

 EMS-1 , German R130-Class, trials conducted, 

 full-scale, 649 

 Minesweeping gear, 573 

 Mississippi River towboats and barges, model 



tests for, 194 

 Mississippi Shipping Co. , passenger-cargo 



vessel, model tests of, 702 

 Model Basin, David Taylor, manual for visitors 

 to, 569 

 David Taylor, measurement of turbulence in, 

 726 

 reports and translations of, 597 

 wax model manufacture at, 728 

 Goteborg, electrical equipment of, T-1 75 

 Guidonia, tests on aerial torpedo, T-1 96 

 Hamburg, cavitation tank of, T-1 4 



Model Basin [Continued] 



Hamburg, development of ship model testing 

 at, T-90 

 tests in water tunnel, T-25 

 Hannover, towing carriage of, T-21 6 

 Lichtenrade, T-87 

 Netherlands, variable-pressure water tunnel 



of, T-98 

 U.S. Experimental, activities of, 54 

 building of models at, 323 

 description of, 11 8 



manufacture of model propellers at , 290 

 reports and translations of, 597 

 velocity of water currents in basins of, 304 

 Model Basins, development of ship model testing 

 at, T-90 

 European, R-365; T-87, T-98, T-1 75 

 manufacture of model propellers at , 290 

 reports on, at 1942 American Towing Tank 



Conference, R-72 

 small, uses of, 286 

 Model tests, correlated with full-scale trials, 

 T-6l 

 expansion of, 275 [T-3]; T-90 

 ship, for companies, 652; R-334 

 For correlation between ship and model see 

 specific ship or model number. 

 Models, ship. See Ship models. 



structural, multidirectional loading of, frame 

 for, 599 

 Modugno gage, 506 

 Modulus of elasticity, for metals, R-l 6 



of steel from PRESTON (DD327), full-scale, 31 8 

 Moldwood, for ship propellers, R-206 

 Moment of inertia, of propellers, 307 

 Moment of wind, determination of, on model, 15 

 Moments and forces. See Forces and moments. 

 Mooring lines, model, 55° 

 Mortar, dry, as bearing and grouting material, 



538 

 Motion-picture camera. See Camera. 

 Motion-picture photography. See Photography. 

 Motions, in shock-testing machines, 536 

 Motor boats, V-bottom, model tests of, R-47 

 Motor torpedo boat, development of, T-88 

 turning tests for, model, R-36, R-41 

 For U.S. boats, see Patrol vessels. 

 Mounting cements, for strain gages, R-213 



