• Iron Age Britons Used Slag-Tapping Furnaces Before the Roman Conquest

    Iron Age Britons Used Slag-Tapping Furnaces Before the Roman Conquest

    Radiocarbon dates from an iron-production site in Kent suggest that British metalworkers were draining molten slag from their furnaces before the Roman conquest of AD 43. The evidence comes from excavations at Junction 5 of the M2 motorway, where archaeologists uncovered furnaces and waste left behind by iron smelting. Some of the slag shows that…