Ancient power-hammers and the city that put steel in the world

Signup for your FREE trial to Wondrium here: Power-hammers might be older than you thought. There might be more ways to make steel than you thought. Valkyries might have had less job security than you thought. Support me on Patreon: Picture credits: Roman anvil image: By Gun Powder Ma - Own work, CC BY-SA 3.0, Steam-powered drop hammer image: By Chris Allen, CC BY-SA 2.0, Ironbridge: Christine Matthews / Iron Bridge and St Luke’s Church, Ironbridge, Shropshire Buy the music - the music played at the end of my videos is now available here: Buy tat (merch): More videos here: All Lindybeige: