BATTERING RAM(Aries), a military engine used before the invention of gunpowder, for beating down the walls of besieged fortresses. It consisted of a long heavy beam of timber, armed at the extremity with iron fashioned something like the head of a ram. In its simplest form the beam was carried in the hands of the soliders, who assailed the walls with it by main force. The improved ram was composed of a longer beam, in some cases extending to 120 feet, shod with iron at one end, and suspended, either by the middle or from two points, from another beam laid across two posts. This is the kind described by Josephus as having been used at the siege of Jerusalem (B. J., iii. 7, 19). It was covered over with a roof, shell, or screen of boards (called the testudo) to protect the men employed in working it from the stones, darts, and other missiles discharged by the besieged from the walls. It was also provided with wheels, which greatly facilitated its operations. A hundred soldiers at a time, and sometimes even a greater number, were employed to work it, and the parties were relieved in constant succession. Josephus says that no wall could resist the continued application of the ram.
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BATTERY is the tactical unit of artillery. It is the term applied to the largest number of fully equipped mobile guns which can be personally superintended by one man. Batteries may be divided into the four classes of horse, field, mountain, and position artillery batteries. In England, France, and Germany batteries consist of six guns; in Austria and Russia of eight guns each. The guns of horse field artillery are drawn by from four to eight horses, the usual number being six. Each battery has a certain number of men told off for the service of the gun called gunners, and others to mauage the draught called drivers. In the horse artillery the gunners are mounted on horses, in field batteries they are carried on the limbers and waggons, in mountain and position batteries both gunners and drivers usually walk. Both horse and field batteries are recognized tactical units of an army, and are maintained in an efficient state in time of peace. Position batteries are organized generally in time of war, are possessed of the heaviest guns consistent with mobility, and are useful in certain special cases, such as the attack or defence of a fortified position, the bombardment of a town, &c. Mountain batteries consist usually of light guns mounted on the backs of mules, and are adapted solely for warfare in mountainous countries. See Artillery. The term battery is also applied to the companies of dismounted artillerymen necessary to fight fortress and siege guns; to separate groups of guns in permanent works; and to the earthworks constructed for the protection of guns in siege operations.
BATTERY, as a law term, is the unlawful beating of another. See Assault, vol. ii. p. 724.
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