BATTERY n.
y. See Barbette. -- Battery d'enfilade, or Enfilading battery, one that sweeps the whole length of a line of troops or part of a work. -- Battery en écharpe, one that plays obliquely. -- Battery gun, a gun capable of firing a number, of shots simultaneously or successively without stopping to load. -- Battery wagon…
BOBBIN n.
onstruction, with a head at one or both ends, and sometimes with a hole bored through its length by which it may be placed on a spindle or pivot. It is used to hold yarn or thread, as in spinning or warping machines, looms, sewing machines, etc.
BOND n.
nds toward the face of the wall, called headers, and the next course of bricks with their lengths parallel to the face of the wall, called stretchers; Flemish bond (Fig.2), where each course consists of headers and stretchers alternately, so laid as always to break joints; Cross bond, which differs from the English by…
BOOMERANG n.
arts of India. It is usually a curved stick of hard wood, from twenty to thirty inches in length, from two to three inches wide, and half or three quarters of an inch thick. When thrown from the hand with a quick rotary motion, it describes very remarkable curves, according to the shape of the instrument and the manner…