Bg. 11.16 DEEPSTAR 4000 prior lo a dive for the Naval Electronics Laboratory. The sligfitly negatively buoyant instrument brow is lettisonable and uses syntactic loam to provide 

 buoyancy tor ttie instruments Ttie water bottles (Fjarlie) are sealed, and filled, when desired, by spring-loaded caps actuated by solenoids The current meter is placed on the bottom 

 and an electric cable connects it lo a Ruslrak recorder wilhin Ihe hull T>ie plastic bag contains fluorescein dye. it is opened on the bottom by Ihe manipulator and is used lo observe 

 water movements. Above Ihe dye bag, but not visible, are 36-in-long probes which hold thermometers along their sides and are stuck into the bottom to measure waler/sediment 



temperatures (NUC) 



562 



