23 h 57 min, 5 janv. 1769 ans - James Watt Steam Engine Patented

Description:

James Watt invented this because of a major setback in power usage in the original model and wanted to fix it.
This invention is important because it saves power and heat and makes the machine more efficient.
James Watt was given an old steam engine and told to fix is because it was broken and needed a repair. During fixing the engine, he noticed major setbacks life the waste of heat and energy and modified it and it caught on.

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