Cheadle Brass Wire Co
Copper-smelters of Pen-clawdd, South Wales
1790 Cheadle Copper and Brass Co erected smelting works at Penclawdd in South Wales - this became Cheadle Brass Wire Co
1800 John Vivian, a Cornish copper mining entrepreneur and the company's agent in Swansea, became a partner of the Cheadle Brass Wire Co, at a copper smelting works at Penclawdd to the West of Swansea[1]. This was the start of the Vivians' involvement in smelting.
1806 John's son, John Henry Vivian, was appointed manager of the Pen-clawdd copper-smelting works of the Cheadle Brass and Wire Co in South Wales, in which his father was a partner.
1808 John Vivian withdrew his interest from the Cheadle company
1812 Moved to Roe and Co's establishment near Neath Abbey, on the bank of the Clydach River, which they held for about ten years[2].
1824 Neath Abbey Iron Co took over the works of Cheadle Copper Co and converted the buildings for ship-building and engineering[3].