.\V>. Dad 



Machine. *—Rc&h 



Turns for. Dsptft 



Shot or /earir 

 Bottom £1 

 l>"tfnnt t> luff ralurr 



A'o. of Thermometer YCor. 



QpW!OG&cd t> tti/xi -(ttttj'r. 3 *2- 



Air ~ Surface ^ c7 Jhift. 



Trawl or tired*** <>r tangles 



SOUNDING WIRE. 





DREDGE ROPE. 



J »i i\V 



11. 



i \ ■ )' N 1 



DOWN. 



IT. 







O 











COO 



• 









30O 











3<» 





















500 











fkx> 











7 cxi 











Hon 

 900 











low 











1 100 











1 |i 0 1 











1^00 











1400 











j 500 











1600 











17." 1 











1 Si ■', 











I9OO 











20OO 













- 









2.*- j * 1 



























