"Armour, and its attack by artillery : supplement dealing with development of armour from 1887 to early in 1893 and from 1893 to 1899" . . . . "Armour, and its attack by artillery : supplement dealing with development of armour from 1887 to early in 1893"@en . . . . . . "Armour and its attack by artillery : supplement dealing with development of armour from 1887 to early in 1893" . . . . . "Armour, and its attack by artillery supplement dealing with development of armour from 1887 to early in 1893"@en . . . .