Quadrant

An instrument for giving elevation or depre ion to a piece. It consists of a graduated quarter of a circle of sheet-bra , of six inches radius, attached to a straight bra bar twenty-two inches long. It has an arm carrying a spirit-level at its middle, and a vernier and clamps crew at its movable end. -That branch of military science which comprehends the theory and the manner of constructing and using ordnance and projectiles. any. — A coarse Indian fabric, manufactured largely in Bengal and employed for military purposes. It is of two kinds for artillery purposes, single and double; the former is used for charcoal-bags, for package of gunpowder-barrels, and as package generally; the latter for slings for carrying shot and shell, and small-arm ammunition-boxes, also for covering ammunition-boxes, making sandbags, etc.