 Northumberland was 400 feet 4 inches ( 122 @.@ 0 m ) long between perpendiculars and had a beam of 58 feet 5 inches ( 17 @.@ 8 m ) and a draught of 27 feet 9 inches ( 8 @.@ 5 m ) . The ship displaced 10 @,@ 584 long tons ( 10 @,@ 754 t ) and had a tonnage of 6 @,@ 621 tons burthen . Her hull was subdivided by 15 watertight transverse bulkheads and had a double bottom underneath the engine and boiler rooms . The ship was considered " a steady gun platform , able to maintain her speed in a seaway and satisfactory in manoeuvre " . She was authorized a crew of 705 officers and enlisted men , but actually carried 800 men . 
