What did James Watt red and black plaque do at Science Museum?

The Story

# James Watt and Old Bess: A Legacy Preserved Standing before the Science Museum on Exhibition Road, you're encountering not just a building but a shrine to one man's transformative genius—this is where "Old Bess," the mechanical heart of the Industrial Revolution, now rests and tells its story to millions. Built in 1777 by James Watt and Matthew Boulton at their Soho Manufactory, this engine pumped life into their workshop for over seven decades, grinding and powering the production that would reshape Britain's economy and the world's future. What makes this specific location so pivotal is that Old Bess represents the physical proof of Watt's revolutionary improvements to the steam engine—his separate condenser innovation meant this machine could work with unprecedented efficiency, and for 71 years it demonstrated that efficiency wasn't theoretical but real, practical, and unstoppable. Today, preserved here in South Kensington rather than rusting away or lost to history, Old Bess stands as a tangible monument to the moment when human ingenuity turned steam into progress, and you can see with your own eyes the very engine that powered an entire era of change.