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This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.
The single greatest discovery of the industrial revolution was the ability to smelt iron using coke instead of charcoal and the development of casting and forging techniques to use it. Anthony Burton goes to Coalbrookdale to tell the story of Derby's success, visits a casting shop at Llanberis, and gets his nose to the grindstone in a water-powered forge in Devon.
