Figure 4. (a): Photograph of sled-mounted camera rig used on cruise RoS 2 . 

 1 — Camera ; 

 2 — Pinger transducer; 

 3 — Stroboscopic light-source. 



(6): Photograph of camera-rig being lowered over the stern of the USCGC 

 ROCKAWAY (WAGO 377) December 7, 1967. 



1 — Camera ; 



2 — Battery packs for light and camera. 



