DEGREES CENTIGRADE 



DIVE 70 



..' DIVE 76 



BATHYSCAPH 



ASCENT CURVE 



DIVE 70 



1700 

 I 



jFigure 17. Sea water temperatures obtained by a resist- 

 ance bridge, illiistrating adiabatic cooling at mid- depths. 

 Absolute accuracy of recorded values is not intimated by 

 this curve. 



50 



