Machine. Reel. 



Tan IS s 'y. Cor. r 



Bottom iemperaiU'ro ^ ^. 

 Jfo. of Thcrmonwier 

 Corrected tefnpcrut tire 



Depth 



fhr. 



Mr 



Surfitcc d I 



Drift. 



Trawl Q^^-drcd^c or-imt^htfs ✓ j^*-" 



SOUNDING WIRE. 



TUKSS. 



DREDGE ROPE. 





' I-. 











f) 



.'(H.I 



- , 1 



3e!> vio 







,].k:i 











q.Ki 

 Oil 1 



goo 











900 



I(M'J0 



1 loa 

 1 ioti 

 1300 











l^rjo 











161x1 











1700 

 1800 



















19* XJ 











2000 











2IOO 











2JO0 

 2400 

















