DETONATING SYSTEM. 



good-shed touch-hole^ or it will be for ever liable to 

 miss fire. A gun that fires near the bottom of the 

 breech, by the hole in a nipple or pivot, has that hole, 

 however large it way be, closed up, with the cock, 

 or striker, by the very blow that puts the cJiarge in 

 action ; and consequently no powder can escape, there 

 being no hole then left open, except the very little 

 gas-hole, which lets out the detonating flame." 



SUBSEQUENT TRIAL, on the 18th of November 

 (with No. 7 shot), of a 14 gauge gun (barrels by 

 Lancaster), with flints, and afterwards with cocks and 

 hammers put on, with which was used the detonating 

 powder :* 



FLINTS. 



DETONATERS. 



Majority in favour of the Flint 107 73 21 18 



A round was then fired from each barrel of a 

 larger and heavier detonating gun of Mr. Joseph 

 Manton's (barrels by Lancaster, and of the same 

 gauge), made expressly to fire with caps, at the bottom 

 of the breech instead of through aside touch-hole: 

 RIGHT BARREL. LEFT BARREL. 



In. 

 120 



Through. 



75 



In. 



157 



Through. 

 78 



