410 lewis' AMERICAN SPORTSMAN. 



False Br etching-screw. — Passes through the stock into tlie 

 trigger-plate, and secures them together. 



i^ence.— The part between cock and pan, on which is received 

 the solid cock. 



Guard. — Curved plate to defend the triggers. 



Hammer-spring. — That on which the hammer is moved. 



Hammer-bridle. — A part which the tail of the hammer works 

 in. 



Heel-plate. — The plate with which the bolt is tipped. 



Jam. — Lips of the cock, to hold the flint in. 



Loclc-plate. — Plate to which all the lock is secured. 



Loops. — Eyes to receive the bolts that fasten the barrel to the 

 stock. 



Mainspring. — That spring by which the tumbler is worked 

 with the cock. 



Nipple^ Pivot., or Tube. — The iron pillar on which the copper 

 cap of a detonating gun is placed. 



Pi2')es. — Tubes to receive the ramrod. 



Rib. — Piece of iron which strengthens the barrel, and on 

 which the ramrod rests. 



Scroll-guard. — An extension from the guard to steady the 

 hand. 



Scear. — That which catches the tumbler for whole or half 

 cock, and which, being pushed up by the trigger, lets the cock 

 fall. 



Scear-spring. — The spring which holds the scear in the notches 

 of the tumbler, at half or whole cock. 



Side-nail. — A screw which fastens on the locks. 



Sight. — The piece of metal attached to the end of a gun- 

 barrel to assist the eye in taking aim at an object. 



Spring-cramp. — A small instrument for dissecting locks. 

 Tail. — The shoulder of a hammer. 



Top-piece. — Elevated rib, along which is directed the line of 

 aim. 



Tfigger-plcde^ Sight-plate, or Rim. — Plate in which the triggers 

 ■work. 



Trigger-springs. — Small springs to keep the triggers constantly 

 pressing close to scear. 



Tumbler. — The movable centre-piece of a lock which falls 

 with the cock. 



