Anghiari. A city of Tuscany, where the Florentines under Berardino Ubaldini were defeated by the Milanese general Torello, in 1425, and in 1440 the Florentine general Orsini defeated the Milanese general Piccinino.
Angle. In geometry, is the inclination of two lines meeting one another in a point, or the portion of space lying between two lines, or between two or more surfaces meeting in a common point called the vertex. Angles are of various kinds according to the lines or sides which form them. Those most frequently referred to in fortification and gunnery are:
Angle, Diminished, is that formed by the exterior side and the line of defense.
Angle, Flanked, or Salient, is the projecting angle formed by the two faces of a bastion.
Angle, Interior Flanking, is that which is formed by the meeting of the line of defense and the curtain.
Angle of Arrival. The angle of arrival is the angle which the tangent to the trajectory at the crest of the parapet makes with the horizon.
Angle of Departure, or Angle of Projection, is the angle which the tangent makes with the horizontal at the muzzle.
Angle of Elevation, or Angle of Fire, in gunnery, is that which the axis of the barrel makes with the horizontal line.
Angle of Fall, in gunnery, is the angle made at the point of fall by the tangent to the trajectory with a horizontal line in the plane of fire.
Angle of Fire, in gunnery, is the angle included between the line of fire and horizon; on account of the balloting of the projectile, the angle of fire is not always equal to the angle of departure, or projection.