The usual method of finding the wreck by dragging the seabed with grapnels was adopted, and the submarine was located in 90 feet of water, lying right athwart the current which, owing to its strength in this spot, did much to hamper future operations. The Admiralty was particularly anxious to recover not only the papers of the submarine, but also the submarine itself. Given the German submarine, the British naval experts could go over it at their leisure, see exactly how German design was developing, browse among the latest German improvements and pick to pieces all the most recent German ideas. Not that the British Admiralty lagged behind German design, but it had the good sense not to despise the enemy and to realize it might be possible to learn something even from Germans. To issue an order for the sunken submarine to be brought into harbour was easy. A few words in code tapped out on the wireless and the thing was done. But the carrying out of the order was beset with difficulties. Commander Davis decided to adopt one of the best known methods of raising the wreck by utilizing the lift of the tide to accomplish his purpose. One of the outstanding things about salvage experts is their uncanny ability for seizing on any power that happens to be handy and compelling it to serve their own ends. There is unlimited power in the rise and fall of the tides, and the salvage men are clever enough to harness this power to raise wrecks off the seabed. They literally use the sea to rob the sea of its prey, and the ways they follow are more or less those put into practice by Commander Davis, who decided to lift the submarine in a cradle of cables and carry her ashore. A mighty steel cable was taken from one salvage boat to another, an end was secured on each boat, and the cable was dropped until the loop of it dragged on the bottom. Then this cable was swept under the submarine and hauled along by the salvage boats until they had dragged it into position right under the wreck. Directly it was in place, the two ends were buoyed, and the salvage men began juggling with another cable. One by one the cables were worked into position, and by the ninth day the salvage officer had as many cables as he desired lying snugly under the U-boat from end to end. The tenth day brought a gale that made further salvage operations impossible. Dirty weather continued for twenty-four days before the gale blew itself out. The salvors, desperately anxious as they were to get on with the job, had perforce to cool their heels ashore while the seas played battledore and shuttlecock with the buoys at the ends of the cables. On September 10, however, the day dawned fine, and soon after daylight the sweepers were clearing a passage out to the wreck--a task they had to perform every day any work was undertaken. No sooner was the passage swept than the salvors brought to the spot one of those modern lifting vessels which helped to perform many wonderful feats during the war.