am. 



Machine. Heel, 



Date 



ftnttom, 



JtnHorn ft mpeioton- 



,Yo. of thermometer J&ty ^ Cur. 

 Corrected U\m [wrtUu-re 

 Mr tf^ Surface fa 

 Trawl or dredge 



7 



Drift 



SOUNDING WIRE. 



DOWN. ^ 



/ 



a 



/ I J J 



J loo 



/fdo 



// 



Ml'. 



A 'I/O 



\ 



3333 

 3// 



$40Q 



TURN'S. 



MXJ 

 2UO 

 300 



4«x> 



f..m 

 turn 

 700 

 800 



I»J«n 



I IOO 



U'UO 

 XJOO 



(400 

 1500 



1700 

 1800 

 n,.<u 



DREDGE ROPE. 



DOWN. 



UK 



V diTl 



