SUMMARY 



A cable-towed instrumentation system, capable of meas- 

 uring and continuously recording data from oceanic depths 

 as great as 5000 feet is described. General system design 

 is outlined, with particular attention paid to contrasting 

 requirements for faired- and unfaired-cable systems. The 

 hydroraechanical design for a depressor is included, as well 

 as the detailed arrangements for a typical temperature- 

 recording system. 



