Glancing Batteries are such whose shot strike the object at an angle of about 20°, after which the ball glances from the object, and recoils to some adjacent parts.
| Joint Batteries, | - | |
| Camarade Batteries, |
when several guns fire on the same object at the same time. When 10 guns are fired at once, their effect will be much greater than when fired separately.
Sunk Batteries are those whose platforms are sunk beneath the level of the field; the ground serving for the parapet; and in it the embrasures are made. This often happens in mortar, but seldom in gun-batteries. Battery sometimes signifies the guns themselves placed in a battery.
| Fascine Batteries, | - | |
| Gabion Batteries, |
are batteries made of those machines, where sods are scarce, and the earth very loose or sandy. For a particular detail of all kinds of batteries, see Toussard’s Artillerist, No. I. c. 1.
Battery.—Dimensions of Batteries.
1. Gun Batteries.—Gun Batteries are usually 18 feet per gun. Their principal dimensions are as follow:
| Ditch— | Breadth | 12 | feet. |
| Depth | 8 |
Note.—These dimensions give for a battery of two guns 3456 cubic feet of earth; and must be varied according to the quantity required for the epaulment.