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flotilla in 1904 by the purchase of five elementary Holland boats. These, however, are still in the active flotilla and are designated Nos. 1?5. They have a submerged displacement of 120 tons, and are 65 feet in length and 12 f

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d displacement of 180 tons, a length of 100 feet and a beam of 10 feet. The petrol engines are of 300 H.-P. and the electric motors of 100 H.-P. The surf

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ment of 320 tons; petrol motors of 600 H.-P., and a surface and 106submerged speed of 13 knots and 8 knots an hour, respectively.

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st every respect as the later "C" clas

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tons, and the horse-power of their surface engines 2,500. The surface and submerged speed is 18 knots and 9 knots respective

late complicated machinery, combined with their absolute fea