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M-10 Record of current meter observtitious for Roberts radio current meter (PRNC-NHO- 



31G7/36) M-8 



M-11 Computing current speed and direction Roberts radio current meter M-9 



M-12 Geodyne Model A-101 current meter M-10 



M-13 Main components of the Gcoilyne current meter M-11 



M-14 Suggested fornuit for Geodyne current meter checkout record M-12 



M-15 Geodyne current meter Model A-lOl fihn record M-14 



M-16 Geodyne current meter camera. Moilel A-101 M-15 



M-17 Divers phinting Geodyne current meter on tripod M-16 



M-18 Geodyne cvu-rent meter array M-17 



M-19 Suggested format for a Geodyne current meter log sheet M-18 



M-20 Measuring currents with the'GEK M-19 



M-21 GEK model V showing location of operating switches and dials M-19 



M-22 Directions for executing a GEK current fix M-21 



M-23 Oceanographic log sheel— GEK M-22 



M-24 Annotating the GEK record M-23 



N-1 Deep sea underwater camera system N-2 



N-2 Underwater camera (EG&G) Model 204) N-3 



N-3 Underwater light source (EG&G Model 214) N-3 



N-4 Underwater battery packs (EG&G Models 280 and 281) N-3 



N-5 Silver zinc wet cell battery and filling kit N-4 



N-6 Top, side, and end view of mounting rack N-4 



N-7 Top, side, and end view of instrument holder assembly N-5 



N-8 Wiring diagram for cameras, light sources, and battery packs N-5 



N-9 Film selection graph N-6 



N-10 Unit imploded because of faulty seal N-6 



N-1 1 Relationship of components for a standard stereo mounting arrangement N-6 



N-12 External wiring diagrams for Model 200 camera and Model 210 light source N-7 



N-13 Finger rack mounting arrangement for single-plane photography N-7 



N-14 Standard supporting arrangement N-8 



N-15 Suggested format for camera lowering log sheet N-8 



N-1 6 Hoisting underwater camera system over the side N-9 



N-17 Underwater photographs N-10 



0-1 Biological Log Sheet-0 0-2 



0-2 The half-meter qualitative plankton net 0-3 



0-3 Clarke-Bumpus quantitative plankton sampler 0-3 



O— i Side view of Clarke-Bumpus plankton sampler O^ 



0-5 The midwater trawl 0-4 



0-6 Preserving plankton and small nekton and benthos specimens 0-6 



0-7 Biological sample labels 0-7 



0-8 Exposed test panel. Fort Lauderdale, Fla 0-8 



0-9 Diagram showing site depths, standard intervals, and deep and shallow arrays at a 



geographic area O-IO 



O-IO Modified split bolt connectors (S-1/0) for attaching panels to line ^ 0-1 1 



0-11 Suggested format for recording marine fouling and boring test panel data 0-12 



0-12 Frautschy water sampling bottle before and after tripping 0-13 



0-13 Test panel exposure systems 0-13 



0-14 Suggested format for a biological observation sheet 0-15 



0-15 Suggested format for a seabird log 0-16 



0-16 Suggested format for field identification of seabirds 0-17 



R-1 Sonar pinger replaces weight- on Nansen cast R-1 



R-2 Sonar pinger bottom positioning technique for Nansen cast bottom temperature measure- 

 ments R-2 



R-3 The pinger driver disassembled R-2 



R— 4 Sonar pinger pulse transformer R-3 



R-5 Sonar pinger transducer R-3 



R-6 Sonar pinger and mounting rack R-3 



R-7 Standard supporting arrangement for Sonar pinger used on Nansen cast R-4 



R-8 NAVOCEANO scientist using the Mark 15A Precision Depth Recorder to determine 



pinger-to-bottom distance R-5 



Change 1—1970 xiii 



