Of the Cöln-class consisting of the completed Cöln and Dresden, the launched but never completed Wiesbaden, Magdeburg, Leipzig, Rostock and Frauenlob and the 3 Ersatz Cöln, Ersatz Emden and Ersatz Karlsruhe laid down down but never completed. Preceded by the Königsberg-class. Building ordered under the contract name Ersatz Ariadne. Laid down at Blohm und Voss, Hamburg, Germany with yard number 601in 1916, launched on 25 April 1917, commissioned on 28 March 1919, scuttled by her own crew at Scapa Flow, Orkney Isles on 21 June 1919and her wrecks till remains thee.
Displacement 5.629 (design)-7.486 (full load) tons and as dimensions 155,5 (0ver all) x 14,2 x 6,01 metres or 510 x 47 x 19.7 feet. The two sets of steam turbines and 8 coal fired and six oil fired Marine-type boilers supplied via 2 shafts 31.000 allowing a maximum speed of 27,5 knots and with a speed of 12 knots a range of around 6.000 nautical miles. Her crew numbered 559 men included 17 officers. The armour consisted of an (amidships) 6cm/2.4” thick belt, a 6cm/2.4” thick deck and the conning tower protected by 10cm/3.9“ thick armour. The armament consisted of 8x1-15cm/5,91” L/45 quick firing guns, 3x8,8cm3.5” L/45 anti aircraft guns and 4-6ocm/24” torpedo tubes and she could carry 200 mines with her.
