...in the length of the gnn, with the same charge of powder. In fact, the range is nearly as the fifth root of the length of the bore, which is so small an increase, as to amount only to about one-seventh part more range for a double length of gun. From the same Table, it also appears, that...

...being the same. And when this is compared with the proportion of the velo-' city and length of the gun in the last paragraph, it is evident that we gain...about a 7th part more range for a double length of » D 4 gun. gun. From the same table it also appears, that the time of the ball'« flight is nearly...