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Durham boat
The Durham boat was a large wooden, flat-bottomed, double-ended freight boat which was in use on many of the interior waterways of North America beginning in the middle of the eighteenth century. They were displaced by larger, more efficient canal boats during the canal era beginning with the opening of the Erie Canal in 1825. The Durham name became associated with this boat type due to their use by the Durham Ironworks of Durham, Pennsylvania for hauling freight on the Delaware River.〔
== Construction==
Durham boats were flat-bottomed and double-ended, much like large bateaux in both construction and appearance. Beyond that, very little is known of construction details. No plans exist and likely they were not used. No extant remains have been found and very little written description exists. Probably they were built with heavy stems at bow and stern and a series of frames amidships, likely from natural oak crooks when available, and planked with sawn boards, likely pine although builders would have used whatever material was available.
These boats would have varied from place to place, from builder to builder and also evolved over time, however in general, they were to long and wide. The bottoms were planked and flat, without a keel, but possibly with a larger “keel-plank” in the center. The sides were vertical and parallel, tapering to sharp at either end. Unlike the bateau, they were decked at both ends and had cleated walking boards along either side. They would have been fitted with a long “sweep” or steering oar and one mast which usually held two square sails.〔(【引用サイトリンク】title=History of the Durham Boat )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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