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The Company of Mineral and Battery Works was the sister company to The Mines Royal Co.
Like its sister company, The Mineral and Battery Works Co had a monopoly and a royal charter. It worked on a much smaller capital, the whole of which seems to have been found at home; its field was the manufacture of brass and the drawing of wire by water power. In the production of iron wire the company was successful very soon, but they failed to set the brass manufacture going; this was done later on by private adventurers, who had to work under a licence from the company.