... of these exercises performed by the Squadron of the North, which is of recent organization, and which consists of the three ironclads Marengo, Suffren, and Ocean, and three coast guards Furieux, Fulminant, and Tonnerre. Each of the ironclads is provided with four 27 cm. guns and four 24 cm. ones, not counting the revolving guns, which constitute the small artillery reserved for fighting torpedo boats. The Furieux has two 34 cm. guns, and the Tonnerre ... — Scientific American Supplement, No. 664, September 22,1888 • Various