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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Roman lead pipe inscription ： ウィキペディア英語版 Roman lead pipe inscription A Roman lead pipe inscription is a Latin inscription on a Roman water pipe made of lead which provides brief information on its manufacturer and owner, often the reigning emperor himself as the supreme authority. The identification marks were created by full text stamps. == Manufacture of pipes == Lead, a product of the ancient silver smelting process, was produced in the Roman Empire with an estimated peak production of 80,000 metric tons per year – a truly industrial scale. The metal was used along with other materials in the vast water supply network of the Romans for the manufacture of water pipes, particularly for urban plumbing.〔; 〕 The method of manufacturing the lead pipes is recorded by Vitruvius and Frontinus. The lead was poured into sheets of a uniform 3m length, which were bent to form a cylinder and soldered at the seam. The lead pipes could range in size from approximately up to diameter depending on the required rate of flow. 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「Roman lead pipe inscription」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.