APPENDIX. 253 



Lock-Plate. Plate to which the works of the lock are 

 attached. 



Main-Spring. The large spring attached to the swivel 

 by which the lock is worked. 



Nipple, Pivot, or Tube. The small steel pillar screwed 

 into the breeches, on which the copper cap is placed. 



Patent Breech. The piece of metal which is screwed 

 into the end of the barrel and forms the chamber. 



Pipes. Bands to receive the ramrod. 



Pivot. See Nipple. 



Ramrod-Head. The piece of metal which, surround- 

 ing the head of the ramrod, prevents it from splitting. 



Ramrod-Screw or Worm. The screw at the end of 

 the rod for the purpose of drawing a wad. 



Rod-Stop. The small piece of metal on the inner side 

 of the barrel, contiguous to the muzzle, which prevents 

 the ramrod from slipping out. 



Scear. The small piece of metal which catches in the 

 bends of the tumblers for whole or half-cock, and, when 

 pushed out of position by the trigger, permits the cock to 

 fall on the cap. 



Screw-Pin. The small screw which passes through 

 the scear into the lock-plate, and keeps it in its proper po- 

 sition. 



Scear-Spring. The spring which forces and holds the 

 scear in the bends or notches of the tumbler. 



Scear-Spring Screw. The screw which keeps the scear- 

 spring in its place. 



Scroll-Guard. Extension of the guard to protect the 

 hand. 



Side-Pin or Nail. The screw which holds the lock to 

 the stock. 



Sight. The piece of metal attached to the rib which 

 connects the barrels, put on the top, and near the muzzle, 

 used in taking aim at any object. 



