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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 Ramsden surveying instruments ： ウィキペディア英語版 Ramsden surveying instruments The Ramsden surveying instruments discussed in this article are those constructed by Jesse Ramsden and used in high precision geodetic surveys carried out in the period 1784 to 1853. This includes the five great theodolites—great in name, great in size and great in accuracy—used in surveys of Britain and other parts of the world. Ramsden also provided the equipment used in the measurement of the many base lines of these surveys and also the zenith telescope used in latitude determinations. ==The great theodolites== A total of eight such instruments were manufactured by Ramsden and others for use in Britain, India and Switzerland.〔Jesse Ramsden (1735–1800)〕〔 The Great Theodolites〕 Ramsden himself constructed three theodolites and a further two were completed to his design by Mathew Berge, his son-in-law and business successor, after Ramsden's death in 1805. Of the other instruments one was constructed by William Cary and the other two by the firm of Troughton and Simms. 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「Ramsden surveying instruments」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.