.Vo. 



J 



Maohim. ' Ittd-. 

 ru.rnJ233J'coiyi-^ ^ ^ Depth 



Co c *- . • 



lioU<Qni 



JJottont icmpcroMirG 

 JSo, of thcntiometer ^ ^-'^ ' 

 Corrccied tttm^eratunt 

 Air Sttrfaoe, 

 Trawl or dr&ige^ 



SOUNDING WIRE. 



UP, 



' .-7 ■' / 



1 UKNS. 



o 

 loo 



3IJO 

 401] 



<;fo 



tono 



1 . • 

 I jrjO 



rSoo 

 1900 



2200 

 2300 



Cor. 



DHft 



DREDGE ROPE. 



DOWW. 



UP. 



