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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 Langlaagte Stamp Mill ： ウィキペディア英語版 Langlaagte Stamp Mill The Langlaagte Stamp mill or battery as they were called in the gold rush era of Johannesburg, is one of the few that have survived from the Robinson Mine in Langlaagte. Located at Main Street in Johannesburg, the 10 stamp mill went into operation at the Robinson Mine in Langlaagte in September in 1886, in the earliest stamp mills on the Witwatersrand. Stamp mills were invented in Europe in the 1600s to crush ore to extract minerals, especially gold. A stamp mill is just a big mortar & pestle, ore and water are fed in one side, a steam engine lifts the big stampers and they fall on the ore by gravity. ==References== 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「Langlaagte Stamp Mill」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.