14 posts categorized "Energy production" Feed

September 29, 2011

July 26, 2011

May 25, 2011

November 16, 2010

November 18, 2009

October 08, 2009

April 19, 2009

September 02, 2008

June 29, 2008

  • Harbour crane bruges 3
  • Human powered cranes and lifting devices

    From the earliest civilisations right up to the start of the Industrial Revolution, humans used sheer muscle power, organisation skills and ingenious mechanics to lift weights that would be impossible to handle by most power cranes in operation today.



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Human powered machines

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