Quipu

Quipu are ancient Inca tools for recording information. They are colored threads knotted in different ways.

Quipu Media

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  Quipu in the Museo Machu Picchu, Casa Concha, Cusco

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  A quipucamayoc in El primer nueva corónica. On the lower left is a yupana – an Inca calculating device.

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  Representation of a quipu (1888)