The Steam Engine 1781 James Watt was the first to introduce a practical steam engine. His device included thermal insulation and a separate condenser.The main power source that made the industrial revolution possible was the steam engine.
The totality of the changes in economic and social organization that began about 1760 in England and later in other countries, characterized chiefly by the replacement of hand tools with power-driven machines, as the power loom and the steam engine, and by the concentration of industry in large establishments.
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