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The Minera Limeworks were extensive lime quarries and kilns at Minera in Wrexham, Wales. It was located at , near the villages of Gwynfryn, Minera, and Coedpoeth and was locally referred to as ''The Calch''.〔(【引用サイトリンク】url=http://www.minerahistory.com/the_calch.html )〕 ==History== The Minera Limeworks were once the largest lime workings in the north of Wales. Limeburning at Minera is recorded from as early as 1620〔(【引用サイトリンク】url=http://www.brocross.com/industrial%20history/welsh%20limekilns/flintshire/minera%20limeworks.htm )〕 but the Minera Lime Company was established in 1852. The total output from the Minera area quarries was estimated, in 1859, to be around 300,000 tons, with 200,000 tons of this converted to lime. The Minera Lime Company became a limited company in 1865, and this prompted some heavy cash injection into the works. Using this money, the company erected a "Hoffmann kiln". Originally destined for brickmaking, it was soon converted to limeburning. This kiln still exists and is one of three that were purpose-built for lime burning left in the UK: another is located at Langcliffe in Yorkshire, another is located at Llanymynech Limeworks. The quarries had their own steam locomotive and hundred of open coal wagons and closed lime wagons at its peak. Hornby Railways and Dapol both have model wagons detailing the Minera Lime Co. It also had extensive kilns, still there to this day. The works closed in 1972 and the Wrexham and Minera Branch railway lines were pulled up at around the same 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「Minera Limeworks」の詳細全文を読む スポンサード リンク
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