Mesures

à poudre, Fr. Tin cases or ve els used in the artillery, to measure out gunpowder, according to the size and calibre of each piece of ordnance. See Powder Measures. Over - METAL , (in gunnery,) when the mouth of a piece of ordnance, in disparting it, lies higher than the breech, it is then said to be laid over metal . Under - Metal , (in gunnery) is when the mouth of a piece of ordnance lies lower than her breech. Right with Metal , (in gunnery.) When a piece of ordnance lies truly level, point blank, or right with the mark, she is said to lie right with her metal . Superficies of Metals , (in gunnery.) The surface or outside of a gun.