Men from Merthyr Tydfil, including ex steelworkers desperate for cash during the town's industrial decline, went to a local research centre to volunteer as medical guinea pigs. Little did they ...

Bersham produced most of the cylinders used in Watt's engines; the ironworks of Merthyr Tydfil rapidly ... other areas experienced an industrial revolution which ultimately failed.

The ironworks of Merthyr Tydfil - Cyfarthfa and Dowlais in particular - gave rise to Wales's first industrial town. By 1830 Monmouthshire and east Glamorgan were producing half the iron exported ...