Ystalyfera Tinplate Co
of Ystalyfera, Swansea, South Wales
1838 Ystalyfera Iron and Tinplate Works were built
1861 Claimed to be the largest tinplate works in the world, employing 4000 people plus another 1000 in the ore and coal mines belonging to the works . Its bank of eleven blast-furnaces was second only to that at Dowlais.
1860s All the anthracite ironworks went into decline from the 1860s
By 1864 Ystalyfera had only six furnaces in blast. The owner, James Palmer Budd, struggled to keep the works going, both for the sake of the workforce and out of personal pride, but the few remaining furnaces were blown out in 1885.
Production in the 16 mill tinplate works continued until after World War II. The buildings were demolished in 1946.
- Terne - an alloy, chiefly of lead and tin. 
Sources of Information
-  Coflein - Ystalyfera