High Quality Content by WIKIPEDIA articles! The history of the steam engine stretches back as far as the first century AD; the first recorded rudimentary steam engine being the aeolipile described by Hero of Alexandria. Spanish naval captain and inventor Blasco de Garay, invented an early steam engine to power a ship in the port of Barcelona in 1543 Later,Taqi al-Din, described early steam turbines in 1551 and Giovanni Branca did so in 1629, in the form of a steam jack and escapement device, respectively. These and other early engines were essentially experimental devices used by inventors to demonstrate the properties of steam. It was not until 1712 that a truly useful steam engine was developed: the atmospheric engine, invented by Thomas Newcomen. Newcomen's engine was relatively inefficient, but did enable water to be pumped out of mine workings at a depth hitherto impossible. James Watt contributed to the development of the steam engine in many ways, vastly improving the efficiency of Newcomen's design and developing mechanisms to convert the reciprocating motion of a piston into rotary motion suitable for driving factory machinery.

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