226 



Velocity measurement in, -- 

 electromagnetic, 217 

 hot- therm is tor bead, 217 

 hot-wire anemometer, 2]q7 



ALBATROSS, 196, 207 



Allan Hancock Foundation, 199 



Allen phytoplankton bottle, 40 



Amplification, 5, 7 



Aneroid barometer used as wave 



meter, 142 



Anit-roU devices on oceanographic 



vessels, 138 



Aqualung, 44, 45, 199 



Arctic Research Laboratory, 91, 



97 



Arctic stations in sea-ice studies, 



91 



ATLANTIS, 124, 200, 220 



Audible presentation, 4 



Automatic chlorinity titrator (ACT-I) 



177, 189 



Automatic potentiometric titration 



apparatus, 177 



Automatic reagent dispenser, 186 



Automatic servo-operated photo- 

 meter (ASOP), 183 



Auxiliary machinery, 126 



Bacteria, sampling of, 39-41, 49 

 Ball-breaker, 197 

 Bascom deep-sea instrument sta- 

 tion, 142 

 Bathygraf, 44 

 Bathyscaphe, 199 

 Bathysphere, 44, 199 

 Bathythermograph, 56, 57 



New types needed, 39 



Winch, 196 

 Beach erosion board step resis- 

 tance gage, 146, 150 

 Beckman model DU spectrophoto- 

 meter, 182 



Bell Telephone Laboratory's 5E 

 hydrophone, 103 



Benthic organisms, sampling of, 

 42-43, 50 

 Benthograph, 44 

 Benthoscope, 44, 199 

 Biological Instruments, 36-50 



A-frame, for handling trawl, 



42 



Bacteria (and phytoplankton), 



sampling of, 39-41, 49 



Benthic organisms, sampling of, 



42-43, 50 



Biological Instruments, -- 

 Needed instrumentation, 45 

 Nekton, sampling of, 41-42, 50 

 electrical fishing, 42 

 midwater trawl, 41, 50 

 Plankton sampling equipment, 

 37 



Clarke-Bumpus sampler, 

 38, 48 



Hardy plankton recorder, 

 35, 47 



hi-speed samplers, 38, 49 

 Phytoplankton (and bacteria), 

 sampling of, 39-41, 49 

 carbon-14, 41 

 molecular filter, 40 

 Self-contained diving units, 44, 

 50 



Sonic devices, 43 

 Underwater photography, 44 

 bathygraf, 44 

 benthograph, 44 

 Biological sounds 



Classification by sound spec- 

 trographic techniques, 114 

 Identifying, 106 

 Bottom Sampling, -- see Ocean 

 Floor, exploration of 

 Brush Development Company's 

 AX 58 series hydrophone, 103 

 Brush oscillograph, 78 

 Bubble-pulse frequency, 74 

 Bucket and thermometer tempera- 

 ture measurements, 55 

 Bottom temperature-gradient re- 

 corder, 64, 203 

 BURTON ISLAND, 96 

 Buoys 



Anchored, as ocean stations, 16 



Drifting, 18 



Marker, 150 



and Navigation, 17 



Long-line damped spar, 142 



Recording or telemetering, 166 



Short-line damped spar, 142 



Cable, 196, 205 



Buoyant, 16 



Spherical clamp for, 39 

 Calibration of chemical instru- 

 ments, 172 



California Institute of Technology, 

 139 



Carbon-14, 9, 41, 82 

 CARNEGIE, 168, 220 



