http://en.wikipedia.org/wiki/Breaking_wheel

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Note added at 8 mins (2014-10-02 16:26:04 GMT)
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http://media-cache-ak0.pinimg.com/736x/53/99/06/539906352752...

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Note added at 12 mins (2014-10-02 16:29:37 GMT)
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Also called The Catherine Wheel, this device always killed its victim, but did so very slowly. The victim's limbs were tied to the spokes of a large wooden wheel. The wheel was then slowly revolved while the torturer smashed the victims’ limbs with an iron hammer, breaking them in many places.

Once his bones were broken, he was left on the wheel to die. Sometimes the wheel was placed on a tall pole so birds could pick and eat the flesh of the still-living human. It could take up to two or three days for him to die of dehydration. - http://www.oddee.com/item_96596.aspx