Heel. ^ ^ 



BoUom (5L| 



J{o. of Tht^rmomtfter ^/^tflJ (hr, ^.f 

 CorrtiQttid iemfir.valiire ' *^ / 



Air SiU'face k!'/^ UrifL 



Tmwl or dredge or tnitglm 



SOUNDING WIRE. 



1 



i 



<> ) - lO 



J7' r 



If •Of! 



I Xi »•> 



•J Jilt) 



DHEDGE ROPE. 



