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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 Pot-de-fer ： ウィキペディア英語版 Pot-de-fer The ''pot-de-fer'' was a primitive cannon made of iron. It is known as the first metal cannon, and was used by the French in the Hundred Years' War. The name means "iron pot" in French. In Italy, ''pots-de-fer'' were known as ''vasi'' or ''vasii'', meaning "pot" or "vase".〔〔(【引用サイトリンク】title=Cannon )〕 ==Description== Though occasionally made with cast bronze, the ''pot-de-fer'' was essentially an iron 〔 bottle with a narrow neck. It was loaded with powder and an iron arrow-like bolt, feathered with iron. It is believed that the middle of the bolt was likely wrapped in leather for a snug fit, necessary to enhance the thrust from the gaseous pressure within the cannon.〔 However, this feature is not shown in manuscript illuminations. The cannon was set off through a small-diameter touchhole, where a red-hot wire could be thrust to set off an explosion and fire the cannon.〔〔Manucy, Albert, ''Artillery through the Ages: A Short Illustrated History of Cannon'', p. 3 (Washington, United States Government Printing Office, 1949; The Minerva Group, new edition 2001) ISBN 0-89875-446-1〕 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「Pot-de-fer」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.