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The first USS ''Triton'' (later ''YT-10'') was an iron-hulled tug purchased by the U.S. Navy in 1889. After more than 40 years of service as a Navy yard tug, she was sold off in 1930 and began a second career as a commercial tug. ''Triton'' was built in 1888, hull no. 287 at the John H. Dialogue shipyard in Camden, New Jersey. She was built for P. Dougherty & Company, a Baltimore-based towing firm, and named the ''Douglas H. Thomas'' after a prominent Baltimore banker with ties to local shipping. Her official U.S. number was 157229. ==Construction== The ''Triton's'' hull was of riveted iron construction, with a long deckhouse topped by the pilot house. Her tonnage was 140.52 gross and 70.21 net. Her principal dimensions were: length overall and between perpendiculars; beam , and hull depth . She displaced 212 tons (216 Mtons) at a mean draft of . She was fitted with a dual-furnace coal-burning Scotch (fire tube) boiler, long by diameter, with thick boiler plating. The boiler was rated for up to , but ordinary working pressure was . Coal capacity was 43 tons, and she burned about two tons per 24 hours. She was equipped with a reversible triple expansion steam engine. Cylinder diameters were , , and , with a stroke. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「USS Triton (YT-10)」の詳細全文を読む スポンサード リンク
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