/ Q9 r 



Machine Uv.v.i. 



7// Cot. + 



Mo. 0/ thawrwmieUr ff/ v Cor. - fit i 



Corrected totftpfratatifiQ t -* n ' 

 ^ r y'/? Sur/aoc t/f Drift 



Trawl or dredge 



face //S/ 



y,. 



SOUNDING WIRE. 



uv. 



net 100 



1 1 / 



7« 



Tt'RNM. 



300 



4<x> 



900 



MXK) 

 IJOU 



I 



MQQ 



l nn 



ifon 

 t7<J0 

 (buo 



JOQO 

 UOO 



2400 



DREDGt ROPE. 



UP. 



