Watt's rotative beam engine, 1788.
3 2 c m
actual image size: 32cm x 24cm

Watt's rotative beam engine, 1788.

© Science Museum / Science & Society Picture Library


Sectioned view of cyclinder and valves. James Watt, (1736-1819), Scottish engineer and instrument maker, invented the modern steam engine which became the main source of power in the textile mills in Britain during the Industrial Revolution. His engine had a separate condenser through which steam from the cylinder was pased and cooled, allowing the engine to be kept hot. This reduced fuel consumption and saved time.

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