238 



VARIETIES OF SHOT-GUNS, ETC. 



PERCUSSION GUN LOCK. (HALF SIZE.) 



again by the force of the explosion. The following are the parts 

 of which this lock is composed, which are the same in number 

 and principle whether it is what is called a " back actioned" 

 lock or not, beginning with 



The lock plate and bridle, which when screwed together, 

 form the skeleton (fig. 29) 



LOCK PLATE AND BRIDLE. (lIALP SIZE.) 



The cock, or striker (fig. 30 a), which rises and falls out- 

 side the plate in unison with the tumbler (b), a piece of iron 



TUMBLER. (HALF SIZE.) 



STRIKER. (HALF SIZE.] 



