^V't>. 



Machinp/ ^ MmI. 



Tiini^ ^^JO ^^''l^t ^ ^ 



Bottorth ti^rnpcnMr^ 

 4/Yo. of thcntwrrmUr 

 CorrcoUfd tetrfp^raiure 



Air ' 'J 



I 



Trawl or dredgo 



Qor. 



Drijit 



SQUNDI NG^ WIRE. 



IK)WN. .UP. 



u 



100 



coo 



•\fK-J 



400 



V'K.' 



torvi 

 lion, 

 tuuu 



liiOO 



(Coo 

 1700 



1900 



8000 



•ilOO 



3300 

 9400 



DREDGE ROPE. 



DOWK. 



I -An 



