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A Topographical Dictionary of Wales
… or chertz, and of rich and extensive veins of lead-ore and calamine: some copper-ore, and, not uncommonly, black jack, or sulphate of zinc, … reverberating furnaces, for smelting and refining lead-ore, erected in 1750, on the site of some very ancient …
A History of the County of Sussex
… 90 In 1617 there were said to be large reserves of iron ore on the manor; 6 a. had been mined by Richard Orevel. 91 …
A History of the County of Sussex
… pond. Furnace slag was visible there in 1928. 66 The iron ore was possibly brought from pits at the modern Warnham …
Calendar of Treasury Books
… purchase (for 650 l.) from them of their mills in Under Ore in the parish of Windsor which work the engine that …
Calendar of Treasury Books
… be at the sole charge of working the same and refining the ore without engaging her Majesty's revenue in any manner …
Calendar of Treasury Books
… obtained a patent for 14 years for smelting of black tin ore into white merchantable tin in a reverberatory furnace by … lie under by the introducing a new method of smelting tin ore in Cornwall whereby the nature of it is so altered that …
Calendar of Treasury Books
… 1707 March 12 Discharge & tack of the Tenth of the lead ore to Charles, Earl of Hopetoun. Out Letters ( North …
Calendar of Treasury Books
… to some discoveries lately made in Virginia of an oar [ore] that has a resemblance to silver in it, setting forth …
Calendar of Treasury Books
… of Robert Rouse et al for a lease of a mine of lead or ore they have found in the King's demesne lands in North …