be a success, and led to the partners building new furnaces at Horsehay and Ketley. This was the beginning of a great expansion in coke ironmaking. In 1767, the Company began to produce the first cast-iron rails for railways. In 1778, Abraham Darby III undertook the building of the world's first cast-iron bridge, the iconic Iron Bridge, opened 1 January 1781. The fame of this bridge leads many people today to associate the iron-making part of the Industrial Revolution with the neighbouring village of Ironbridge, but in fact most of the work was done at Coalbrookdale, as there was no settlement at Ironbridge in the eighteenth century. Expansion of Coalbrookdale's industrial facilities continued, with the development of sophisticated ponds and culverts to provide water power, and even Resolution, a water-returning beam engine to recirculate this water. In 1795, the first porcelain factory near Coalbrookdale was founded at Coalport, east of the Iron Bridge, by William Reynolds and John Rose, producing Coalport porcelain. In 1802, the Coalbrookdale Company built a rail locomotive for Richard Trevethick, but little is known about it, including whether or not it actually ran. The death of a company workman in an accident involving the engine is said to have caused the company to not proceed to running it on their existing railway. To date, the only known information about it comes from a drawing preserved at the Science Museum, London, together with a letter written by Trevithick to his friend Davies Giddy. The design incorporated a single horizontal cylinder enclosed in a return-flue boiler. A flywheel drove the wheels on one side through spur gears, and the axles were mounted directly on the boiler, with no frame. The drawing indicates that the locomotive ran on a plateway with a track gauge of . This was two years before Trevethick's first engine to tow a train was run at Penydarren in south Wales. In the 19th century, Coalbrookdale was noted for its decorative ironwork. It is here (for example) that the gates of London's Hyde Park were built. Other examples include the Coalbrookdale verandah at St John's in Monmouth, Wales, and as far away as the Peacock Fountain in Christchurch, New Zealand. The blast furnaces were closed down, perhaps as early as the 1820s, but the foundries remained in use. The Coalbrookdale Company became part of an alliance of ironfounding companies called Light Castings Limited. This was