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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 Annett's key ： ウィキペディア英語版 Annett's key In railway signalling, an Annett’s key or Annett key is a large key that locks levers or other items of signalling apparatus, thereby serving as a portable form of interlocking. When not in use, the key is normally held in an Annett's lock (or Annett lock) that is fixed to the lever or concerned apparatus. ==History== The Annett's key takes its name from its inventor, J. E. Annett of the London, Brighton and South Coast Railway. Annett patented his design in 1875; in 1881 that patent was bought out by Saxby and Farmer,〔Foster, Richard D.: "A Pictorial Record of L.N.W.R. Signalling", page 166. Oxford Publishing Co., 1982 (SBN 86093 147 1).〕 one of the principal British companies of signalling contractors at the time. 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「Annett's key」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.