each with tapering, multi-stage barrel, flaring at the muzzle and formed with raised astragal mouldings, raised scalloped vent with a mark on each side, globose cascable drawn-out to a prominent button, and a pair of plain trunnions, each on its stepped wooden carriage, with wooden trucks, brass cap-squares, and a wedge for elevation, 71.0 cm barrels, 5.5 cm bores (2)