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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 British standard ordnance weights and measurements ： ウィキペディア英語版 British standard ordnance weights and measurements The British standard ordnance weights and measurements for the artillery were established by the Master General of Ordnance in 1764, and these were not altered until 1919 when the metric system was additionally introduced. This system has largely been replaced by a calibre system, which is the standard today for most weapon systems in use by the world's armed forces. The 18th century standards were based on projectile weight, and dated back to use of muzzle loaded cannons which fired solid cannonballs. The designations bore only an approximate relationship to the actual weight of the projectile when it was applied to modern artillery. The table below lists the metric and Imperial calibres of various British weapons, which utilised the standard after 1919: ==References== *Rottman, Gordon L.: ''Elite 124 - World War II Infantry Anti-Tank Tactics'', Osprey publishing, ISBN 1-84176-842-1 p.16 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「British standard ordnance weights and measurements」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.