The Maritime History of the Great Lakes
Islay (Tug), U100535, 13 Jul 1899

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Manager D.E Ford of the Superior Ship Building Co., is enthusiastic over a valve gear that was built at the West Superior works some time ago and placed on the engine of the ship building company's tug ISLAY. The gear is the invention of Lincoln A. Lang of Yule, North Dakota. Mr. Ford says of it: "The gear we placed on the Islay has been running without repair or readjustment since we started it last July. On the fuel trial, which we gave this gear against the Stevenson link gear, the engine was worked up close to maximum power, and the saving in fuel through using the new gear was clearly 20 per cent., with conditions alike on both trials. With the new gear the saving in fuel is much greater than this, with the engine working at lower powers. The engine works with a more even turning motion, with less vibration, and is much easier kept up than formerly."
      The Marine Review
      July 13, 1899

ISLAY.* Built June, 26, 1892 Steam Tug - Steel
U. S. No. 100535. 26 gt - 13 nt 60.0 x 13.0 x 5.0
      * Renamed [b] BAYFIELD - U.S. - 1949
Still enrolled in 1968.
      American Barge Co., Superior, Wis., Master Shipbuilding List
      Institute for Great Lakes Research
      Perrysburg, Ohio.

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modification to engine
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William R. McNeil
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Maritime History of the Great Lakes
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Islay (Tug), U100535, 13 Jul 1899