Machine. JUvl. 



Turns Cor. 

 t^iffl or lead 

 Jlotfnm 



,Arth of ih<rrm.om>ei4sr 

 Cffrrrfrfed trm'pitrft'ture 



Trnufl or dredge 



SOUNDING WIRE. 



DOWjf. 



TPKN.1. 



2(X4 



3UO 

 400 



700 

 1000 



titio 



1700 



igoo 



scull-) 



Oor. 



PREDGE ROPE. 



DOWK. 



