Boulton and Watt steam engine, Industrial Revolution steam engine at Powerhouse Museum in Sydney, Australia
The Boulton and Watt steam engine at Powerhouse Museum is a large rotating machine with a massive flywheel, beam-arm mechanism, and interconnected levers that demonstrate synchronized mechanical operation. Its cast iron components and precise engineering reveal the technical sophistication of late 18th-century industrial design.
This engine was built in 1785 and worked at a London brewery for more than a century before being transported to Australia. It arrived at the museum in the late 19th century and has remained there since.
The engine marks a turning point in how factories operated, replacing workers and animals with mechanical power that transformed manufacturing forever.
You can watch the engine operate during scheduled museum demonstrations, when the building's central boiler system powers it up. Plan your visit to catch one of these demonstrations to see the mechanics working in action.
This is the oldest surviving rotative steam engine in the world, and it still powers other machines in the museum today. Rather than simply displaying history, it remains an active part of how the museum operates.
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