Threads of Time: Tradition and Change in Indigenous American Textiles
Offering Cloth for a Saint Effigy
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The lightweight textile of the santo tzut was woven from cotton threads. Patricia Ewer removed single fibers a few millimeters long from each of the colors of thread in the warp and weft directions. Viewing these samples with a polarizing light microscope, the characteristic twist of cotton was readily recognizable, distinct from the rough surface scales of wool and other animal fibers or the smooth extruded length of silk and modern synthetics. Samples of the lace and brocaded threads were also examined, revealing all to be cotton except for the pale purple supplemental patterning threads which are silk. Because it is not always possible to differentiate fibers by look and feel alone, the fiber types of many textiles included in the exhibition were confirmed using light microscopy.
For more conservation information, please see The Threads of Time Conservation Project.