1/2 INCH 

 WIR-E 



WIRE 

 SCOPE 



/ 



1200 POUND 

 LEAD WEIGHT 



POSITION (5F^^ 

 PISTON INSIDE 

 PIPE 



STEEL 

 ROPE 



i 



TRIGGER 

 WEIGHT 



OCEAN BOTTOM 



OCEAN SURFACE 



n 



IE 



TRIPPING 



RELEASE 



=> 



i 



\\\^\'\\\\\\V^\\\\\\ 



THERMOGRAD 

 RECORDER 



YT 



FIGURE I 7. 2 

 PISTON CORING DEVICE 



\ \ \ 



THERMISTOR 

 PROBES 



/ 



179 



