📜 Towering, egg-shaped Bessemer Converter, one of the last three globally and the last working example in Britain until 1974. 🔍 Revolutionized steel production in 1856, making Sheffield a world center. # Why Go ⚙️ Witness a pivotal piece of industrial history 🏭 Learn about the Bessemer process and its impact 🏛️ Located at Kelham Island Museum, explore wider industrial heritage 🚶 Easy access, first thing you see at the museum entrance # Tips 📍 Part of Kelham Island Museum, free entry but donations encouraged. # Cost 💰 Free entry, donations of £5 encouraged. # Hours 🕒 Tue-Sat 10am-4pm, Sun 11am-4pm. Closed Mondays (including Bank Holidays).