Swansea included land around Swansea Bay as far as the River Tawe, the manor of Kilvey beyond the Tawe, and the peninsula itself. Swansea was designated chief town of the lordship and received a borough charter at some point between 1158 and 1184 (and a more elaborate one in 1304). From the early 1700s to the late 1800s, Swansea was the world’s leading copper-smelting area. Numerous smelters along the River Tawe received copper and other metal ores shipped from Cornwall and Devon, as well as from North and South America, Africa, and Australia. The industry declined severely in the late 1800s,
Lower Swansea valley river and continued in production until 1745. (It reopened as a pottery in 1764.) In 1737, the White Rock copper works at Pentrechwyth was established. By 1780 there were three copper works on the east bank of the river: White Rock, Middle and Upper Bank. On the west bank there was also one at Forest. By 1800 nine copper smelters were in production in the valley. By 1860 the lower Swansea valley was smelting two thirds of the copper ores imported to Britain, and changes in the output and economy of the Swansea valley had a significant effect on global