Swansea Canal coal and culm shipped from Swansea Docks suggest around 386,000 tons in 1839. The opening of the Tennant Canal to Swansea Docks in 1824 resulted in the Swansea Canal's riverside wharfs being improved, and tolls were reduced to maintain trade levels. The harbour facilities at Swansea were upgraded in 1852, when the river Tawe was diverted into a new channel to the east, and the original channel, which included the trans-shipment wharfs, became a floating harbour. A lock was constructed to give the canal boats direct access to the half-tide basin above the North Dock, and a loop of the
Richard Martin (Mayor of Swansea) to the zinc works, which still operate today, until his death. He started up the Birch Grove iron works in 1881 and bought the Ynys-pen-llwch tin works in 1884. Martin served the town council 1884-1910 as member and alderman, becoming mayor 1898-9. He was also chairman of the education committee for six years. In this time, he strived to have the University College of South Wales situated in Swansea, however Cardiff was ultimately chosen as its site. He nevertheless succeeded in ensuring the establishment of a technical school, which later became the technical college, in Swansea. Martin then strove to