Classic Time Team Season 9 Episode 5 The Furnace in the Cellar

The team head for a pub in Leighton whose cellar contains the remains of a blast furnace once used for smelting iron. When Tony arrives, test pits are already being dug, and Geophysics are busy surveying the car park. They are joined by Paul Belford from Ironbrige Gorge Museum; and Jonathan Roberts shows Phil how to make a triangular charcoal clamp similar to those used in the 17th century.