tr 



}cs 



£i^ 



cm 



J^^ 



ca 



ihf 



n 



cp 



ca 



aQl tr lUr-Y^F briba 



B 



dc 



-hf 



■H-hf 



Figure 1» A. Portable underwater recorder'- camera. 



B. Habitat based recording system. Symbols: 

 ac, A.C. amplifier and speaker; ba, 12 volt 

 batteries in series; ca, single conducter 

 shielded cable; cm, movie camera; c«, 

 control switches; dc, D.C. amplifiers; 

 ep, earphones; hf, hydrophone; tr, tape 

 recorder. 



Figure 2. Locations of stations and habitat 

 VI-83 



