Her sister ships were the Cardenal Cisneros and the Cataluna. She was laid down at Caracca in 1890, launched on 17 October 1896 but not earlier completed as in 1902. With a displacement of 6,888-6,889 tons (
Jane’s Fighting Ships 1919 reported 7,427 tons) were her dimensions 347’9’ (between perpendiculars) -364’1” (over all) x 61’x 21’7”-23 1/3’/23 2/3” or 106,03x110,97 x 18,59 x 6,61 metres. The two-shaft horizontal triple expansion engines supplied 14,800-15,000 ihp allowing with a forced draught a speed of 18-20 knots while she had a coal bunker capacity of 935-1,180 tons (Naval Annual 1913 reported 1,200 tons;
Jane‘s Fighting Ships 1919 reported 2 sets of horizontal triple expansion engines and 6 cylindrical boilers supplying 10,500 hp as designed while driven 2 screw allowing a designed speed of 18 knots and a coal bunker capacity of maximum 1,007 tons). Her crew numbered 500-546 men. The armament consisted of 2-9.4” guns, 8-5.5” guns, 8-6pdrs, 10-1pdrs and 5 torpedo tubes according to
Conway‘s All the world fighting ships 1860-1905 (
Naval Annual 1913: 2-9.4“ guns, 10-5.5“guns, 8-6pdr guns, 2-1pdr guns and 5 torpedo tubes). . The armour of Harvey consisted of a belt with a thickness amidships of 11 7/8”, the barbettes and conning tower were protected by 7 7/8”, the gun turrets by 3 7/8” and further more she was fitted out with a 2¼” thick protective deck according to Conway‘s. Jane‘s reported a Harvey armour consisting of a belt forward 6“, amidships 12” and aft 8” thick, a deck directly on the belt of 2¾”, 8” for the conning tower and barbettes and 2¾” of chrome steel for the casemates. Building costs 600,000 pound sterling.
