NORTH ROOM 



ELECTRONICS AND RECORDING 



1. Work area and removable re- 6. 

 corders 



2. Gas-filled cables from circular 

 array 7. 



3. Analog recorder for vertical and 

 horizontal temperature array 8. 



4. Underwater communication 

 system 



5. Punch- tape recorders for verti- 9. 

 cal and horizontal temperature 

 sensors 



Alternate punch-tape recorder for 

 vertical and horizontal temperature 

 sensors 



Temperature recorder and WWV time 

 check receiver 



Digital- data temperature recording 

 system for thermally lagged tempera- 

 ture sensors 



North cart depth and temperature 

 meters, hydrophotometer, and swell 

 recorders 



118 



