Swansea at the mouth of the river Tawe, covering in the county of Glamorgan. There were three major extensions to the boundaries of the borough, first in 1835, when Morriston, St Thomas, Landore, St John-juxta-Swansea, and part of Llansamlet parish were added, and again in 1889 when areas around Cwmbwrla and Trewyddfa were included, and in 1918 when the borough was enlarged to include the whole of the ancient parish of Swansea, the southern part of Llangyfelach parish, all of Llansamlet parish, Oystermouth Urban District and Brynau parish. In 1889, Swansea attained county borough status, and it was granted city status
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