Domville-Fife, Charles W. (Charles William), 1886- · London : Hodder and Stoughton · leaf 92
« o r CQ 3 … French Submarines 8l defensive type. They have a displace-ment of about 185 tons, with electricengines for propulsion both on thesurface and when submerged. Theirspeed is 12 knots on the surface and8 knots when submerged. Their rangeof action is about 200 miles at 7 knots.The armament consists of…
