JVb. • Vat*' 



Jlfachifw. Jinvl. 



Stlwt or lettfl 



Jiatlom fejfhperrUtire 

 JVn, of thnrmoiihcter 



7^ 



Cor, -'i 

 DHft J^O 



SOUNDING WIRE. 



UP. 



TURNS. 



O 



200 



TOO 



I 



lOOO 

 I KMJ 



1 -jw 

 2400 



DREDGE ROPE, 



0 



1 



