W6-inch siege gun M1877W6-inch siege gun M1904W8-inch mortar M1877W9-inch mortar M1877W11-inch gun M1877W11-inch mortar M1877W37 mm McClean Automatic Cannon Mk. IIIW37 mm trench gun M1915W42-line field gun M1877W42-line fortress and siege gun Pattern of 1877W76 mm divisional gun M1902W76 mm gun M1900W87 mm light field gun M1877W107 mm gun M1910W120 mm howitzer Model 1901W122 mm howitzer M1909W122 mm howitzer M1910W152 mm howitzer M1909W152 mm howitzer M1910W152 mm siege gun M1910W305 mm howitzer M1915WRussian 12-inch 40-caliber naval gun
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W