Sliding Leaf Tangent Sight—Muzzle-Loaders.
All muzzle-loading guns, except turret-guns and boat-guns, have six sights—three hind-sights (two tangent and one centre) and three trunnion-sights. Boat-guns have one centre hind and one fore sight, and turret-guns have turret-sights. All guns except boat-guns have wood scales, and all guns in covered batteries, except turret-guns, have graduated arcs on the pivot-circles.
Barrel-Head Tangent-Sight—Breech-Loaders.
(Screw.)
