of the brake and 

 thesteam-engine; 

 n°3 fortheadjust- 



ment of the 

 weights on the 

 ballast-scale. 



The sound- 

 ing-lead when 

 ready for use is 

 lowered over- 

 board while the 

 ship is stoppecl. 

 At first while 

 paying out when 

 there is but little 

 strain on the wire 

 and the weight in 

 the scale compa- 

 ratively Hght, the 

 scale wile begin 

 by striking the 

 upper stops. The 

 pulley L is there- 

 bv raised owing 

 to the springs S 

 being compressed. 

 The brake Tv is 

 hereby relaxed 

 and should now 

 be gradually re- 

 leased untill it 

 onlyjust touches. 



The adjusting 

 wheel /^can now 

 be loosened untill 

 the lead begins 

 to descend. 



The pawl 

 wheel E during 

 this descent being 

 kept at rest by 



