276 



YACHT EQUIPMENT 



be found useful for holding the warp in the event of 

 anything going wrong ; Figs. 196, 197 illustrate a simple 

 form which may be employed for this purpose. 



Locking Plate 



Releasing Plate 

 Tripping Line 



FIG. 195. NIPPER FOR HEAVY TRAWLING. 



FIG. 196. SMALL NIPPER 

 RENDERING. 



FIG. 197. SMALL NIPPER 

 GRIPPING. 



(FlGS. 195 TO 197 BY PERMISSION OF MESSRS. BULLIVANT.) 



A recording sheave (odometer) of some kind is neces- 

 sary for work in deep water. This need only consist 

 of a strong sheave of known circumference (i or j 



