PUNT-GUN WITH SPRING SWIVEL. 34? 



EXPLANATION OF MY PLAN FOR EASING 

 THE RECOIL OF A SWIVEL-GUN, CAR- 

 RONADE, OR SHIP'S SWIVEL. 



The following are the dimensions of the apparatus 

 for a swivel-gun, which carries about a pound of shot. 

 But if the apparatus is adapted to a carronade or 

 ship's swivel, it must be -more than proportionably 

 stronger, because a carronacle, from being so very 

 short, has such a severe recoil. 



A. THE SWIVEL, on which the gun rests, and 

 which, it may be observed, is made as short, and com- 

 pact, as the working, up and down, of the gun will 

 admit of, in order to avoid, as much as possible, all 

 extra strain occasioned by lever ; as, of course, the longer 



