two batteries and mounted two 5-in. howitzers and two 4-in. guns to protect the mine-fields laid in the entrances to the harbour. The Germans knew every point and feature in the island group, as the British Admiralty had permitted them to use it for their manœuvres in 1904.
Of the German torpedo flotilla, one large destroyer had been cruising
off the Orkneys, and had been seen and chased without success by the British Fleet. Two torpedo boats in the Pentland Firth had already been accounted for. Four large destroyers were lying with steam up at Lerwick, and put to sea with the fast German cruisers. Seven other destroyers, boats of 750 tons, were engaged in patrolling the waters eastwards from the Shetlands to the Norway coast, and were speedily warned.
The faster German vessels successfully escaped round the front of the British cordon of cruisers and destroyers. The Irene and Grief were less fortunate. They were sighted soon after 10 p.m., steaming due east, and were easily overtaken and destroyed with little more than a show of resistance. The British vessels which were innermost in the long line were near
