The P ast A nd P resent of the Washing Machine - PowerPoint PPT Presentation

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The P ast A nd P resent of the Washing Machine

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  1. The Past And Present of the Washing Machine By Tommy Wood

  2. Past • Rub clothes against Wash board . Hang clothes to dry

  3. Energy transferred • Motion-rubbing • Heat-drying in sun

  4. The Old Machine • Invented by H.sidgier • Invented in 1782 • Invented in Great Britain

  5. Electric Washers • Alva J. Fisher • Invented in Chicago • 1908 • Hurley Machine Co

  6. The New Machine • Available in front and top loading • Top- agitator spins clothes • Front- tumbles clothes

  7. Energy Used • Motion- spinning clothes • Chemical-detergent added • Electric • Heat- use hot water

  8. Sores • http://inventors.about.com/od/wstartinventions/a/v • Google images • Yippy