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    • Painting of James Watt by Henry Howard, circa 1797. Head
    Rights: Public domain Published 17 August 2011 Size: 1.1 MB Referencing Hub media

    James Watt (1736–1819) was a Scottish inventor and mechanical engineer who developed a more efficient steam engine. The unit of power, the watt, has been named in his honour.

    Painting by Henry Howard.

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      ARTICLE

      SI derived units

      SI is built on seven fundamental standards called base units. All other SI units are derived by multiplying, dividing or powering the base units in various combinations, For example: mechanical ...

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