232 



U.S. Navy Electronics Laboratory, 

 63, 65, 97, 112. 168, 195, 197, 

 199, 221 



U.S. Navy Hydrographic Office, 

 86, 125 



U.S. Navy Radio and Sound Lab- 

 oratory, 143 



U.S. Navy Underwater Sound Lab- 

 oratory, 114, 118 

 University of California, Berkeley, 

 139 



University of California, Scripps 

 Institution of Oceanography, 1, 10, 

 41, 63, 79, 128, 139,155, 177, 197 

 University of Southern California, 

 44 

 University of Washington, 66 



Vacuum Filtering, 40 

 Vapor pressure thermometers, 62 

 Velocity measurements -- see Air- 

 Sea Boundary Processes 

 Vibralyzer, 106 

 Vidicon tube, 200 



Water intake thermometers, 56 

 Water sampler 

 Automatic, 46 

 Kemmerer, 40 

 Nansen bottle, 40, 56 

 Plastic bottles, 98, 167, 189 

 Waterways experiment station, 158 

 Wattenberg comparator, 181 

 Wave tanks, studies in, 211 

 Wave Measurements, 139-165 

 Analysis of records, 154 

 for height, 154 

 for period, 156 

 Analysis of sub-surface pres- 

 sure records, 157 

 Aneroid barometer used as 



shipboard wave meter, 142 

 Bascom deep-sea instrument 

 station, 142 



Deep-sea pressure recorder, 80 

 Deep water, 142 

 Correction for motion of spar 

 buoy, 142 



long line damped spar buoy, 



142 



recorders used with spar 



buoy, 143 



Correction for motion of spar 



buoy -- 



short line damped spar 

 buoy, 142 



sonic radio-link spar buoy, 

 a wave height meter, 143 

 suspended underwater pres- 

 sure recorders, 143 



Direction, 139 



sub-surface current re- 

 corders, 140 



tripartite wave recorders, 

 141 



Gravity, 145 



Beach erosion board step 

 resistance gage, 146 

 Knapp bottom pressure 

 gage, 149 



Mark V shore wave record- 

 er, 148 



Mark VI shore wave record- 

 er, 148 



Mark VIII shore wave re- 

 corder, 148 



Mark DC shore wave re- 

 corder, 147 



Woods Hole shore wave re- 

 corder, 147 



Installation of recorder, 149 

 electrical cables, installa- 

 tion of by small craft, 153 

 electrical cables, installa- 

 tion of, 1 52 



marker buoys for sub-sur- 

 face pressure gages, 151 

 pier mounted gages, 149 

 selecting site, 149 

 tripods for sub-surface 

 pressure gages, 150 



Long period, 144 



deep water Mark III wave 

 recorder, 144 

 Tsunami recorder, 145 



Wave meter, substitution of 



inverted echo-sounder for, 121 

 Wenner bridge, 177, 187 

 Winkler titration, 185 



Bathythermograph, 196 



Deep-sea, 131 



Hydrographic, 131 



in ocean floor studies, 196 



for oceanographic vessels, 131 

 Wind-driven surface currents, 

 nmeasurements of, 21 

 Wire recorder, 105 



