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manually powered by a crank
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Oil powered Vacuum, had to be carried around by horse and buggy
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The 1st model that is similar to the one we know today. Smaller and more portable.
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Idea of a rotating brush to loosen debris
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When James Spangler couldn't afford to make his idea he sold it to Hoover Harness who redesigned it.
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When only the Western countries were buying vacuums they made something more valuable to other countries.
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The vacuum that would do it all on its own was created. It can easily go around furniture.
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The new vacuum being created can float over the floor and uses recyclable air to steam the carpet.
