Key Inventions (21 h 55 m, 30 jul 1730 año – 3 h 54 m, 3 agos 1730 año)

Descripción:

The Watt Steam Engine changes history!
Built on earlier models of steam fired compression to propel pistons. This innovation was efficient and stunningly powerful.

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18 dic 2018

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Oscar gonzalez

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