American Pictures/ Tony Morrison
quipu / khipo or knotted cord memory device. The owner or holder of the
quipu could remember the information by noting the number of cords, the
type of cord and its colour, position and number of the knots on the cords as
well as other factors. As they were fragile few quipus survive from the highland
part of the Inca empire - this example comes from a lower and almost perpetually
dry coastal region.