Tiirfis/ ^'^f Cor, + Vtpik // 3 



'hot or lead 



BoUoitv temperature 

 . Vb. of th Clinometer /^-^/>*^ Cor, 

 Corrcoted temperature ^ 

 Air ^ ^ Stirfaoe \^''0 J^rift 

 Trawl or dredge 



SOUNDING yVIRE.^ 



V DOWN, f/i 



TOWNS, 



300 

 400 



5<K> 

 6au 

 700 

 800 

 900 



1000 



iroo 



JU(X> 



1300 



17r>j 



1900 

 9PO0 



•J 100 



2200 



34cn I 



DREDGE ROPE. 



DOWN. 



UP. 



I 



