Turkish steam frigate Ertogrul according to the magazine Mitteilungen aus dem Gebiete des Seewesens 1875 no. 11

Armament 41 guns. Horsepower 600 nhp. Dimensions 250 x 50 x 23.6 (fore0-24 9aft) feet and 2.344 tons tonnage. Built at Constantinople, Turkey in 1863. Crew numbered 326 men (included 25 officers), should be 581 men.