Guidelines lead display case public braiding technique addresses data record Lady in White folk culture mauvine donor exhibition identification of lace arsenic purse courtship Marking indigenous peoples wedding dress narrative The Tudor Child Australia Qing Dynasty 18th century fibers undergarments database angel exhibition space Le Lac des cygnes cross-stitch Hmong accessories chemicals warp opera reproduction preventive conservation José Miguel Carrera heavy metals collecting policy collective identity stitches packing kings' garments pattern Gallen Reconstruction tunic storage area museum labeling manufacture identifying fibers weaving protection lace 1950s Rayon running stitch