1 gen 1781 anni - James Watt invents a steam engine

Descrizione:

The Watt steam engine, alternatively known as the Boulton and Watt steam engine, was an early steam engine and was one of the driving forces of the Industrial Revolution. The Watt engine, like the Newcomen engine, operated on the principle of a pressure difference created by a vacuum on one side of the piston to push the steam piston down.

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