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. 



Releasing Plate^C 

 Tripping Line 



Fig. 195. — Nipper for Heavy Trawling. 



Fig. 196. — Small Nipper Fig. 197. — Small Nipper 



Rendering. Gripping. 



(Figs. 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 (1 or | 



