Revealing Coalbrookdale Iron Bridge 1779: From 379 Tons Cast Iron to First Bridge (Complete) скачать в хорошем качестве

Revealing Coalbrookdale Iron Bridge 1779: From 379 Tons Cast Iron to First Bridge (Complete)

Revealing Coalbrookdale Iron Bridge 1779: From 379 Tons Cast Iron to First Bridge (Complete) The complete story of the world's first iron bridge: Coalbrookdale Iron Bridge, built in 1779 with 378 tons of cast iron. Discover how Abraham Darby III and the master ironworkers of Coalbrookdale raised five massive iron arches over the River Severn, creating a structure that changed engineering forever. 🏭 In this video you'll discover: • The complete casting process of nearly 1,700 individual iron components • How workers raised 5-ton half-ribs above the river in 1779 • Abraham Darby I's revolutionary coke-smelting technique (1709) • The construction method revealed by a painting discovered in Stockholm in 1997 • Why this bridge survived the Great Flood of 1795 when all others were destroyed • The joints adapted from carpentry that held the structure together • The recent 2018 restoration that revealed the bridge's original red-brown color 📜 Based on historical records, factory documentation, and archaeological research from the Ironbridge Gorge Museum Trust. The Iron Bridge stands today as a UNESCO World Heritage Site—a testament to the ambition and skill of 18th-century ironworkers who dared to build what engineers across Europe declared impossible. ━━━━━━━━━━━━━━━━━━━ 📍 Location: Ironbridge Gorge, Shropshire, England 🗓️ Construction: 1777-1781 ⚙️ Weight: 378 tons of cast iron 📏 Span: 100 feet 6 inches (30.6 meters) ━━━━━━━━━━━━━━━━━━━ #IronBridge #IndustrialRevolution #Coalbrookdale #AbrahamDarby #BritishHistory 🔔 Subscribe for more authentic Industrial Revolution factory stories.