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Calendar of State Papers Domestic: William and Mary
… invention of melting or smelting down all sorts of iron ore, iron stone, slaggs, cinders, old broken cast or hammered …
Calendar of State Papers Domestic: William and Mary
… merchants. Shows that there are vast quantities of copper ore in England which for want of "artists skilful" have been … speedy and easy way of melting down and refining the said ore, which was never practised before, they therefore offer … easy, and effectual melting down, and refining of copper ore. In regard therefore that the establishing of the said …
Calendar of State Papers Domestic: William and Mary
… that in Wales there are some symptoms of lead and other ore, not royal, in the several parishes of Llanelltyd, … and several others as a company to smelt down lead ore, with pit and sea coal, and to make the same into lead …
Calendar of State Papers Domestic: William and Mary
… a useful invention for melting down all sorts of tin ore, and making the same into good and merchantable tin by …
Calendar of State Papers Domestic: William and Mary
… a very useful art or invention of smelting down lead ore, with pit and sea coal, and making the same into good and …
Calendar of State Papers Domestic: William and Mary
… 14 years, of his invention for melting and refining lead ore in close or reverberatory furnaces with pit coal or sea …
Calendar of State Papers Domestic: William and Mary
… may be usefully applied for the raising or drawing up of "ore work" and other things out of mines and coal pits. They …
Calendar of State Papers Domestic: William and Mary
… coal or pit coal, to melt and smelt down all sorts of iron ore, iron stone, slags, cinders, and other material, and to …
Calendar of State Papers Domestic: William and Mary
… and working of Mines and for beating and refining of the Ore in England, with power to carry on the same with a …