Pattern diversity of backgrounds 20th century Belgium Lady in White storage area Polyester contents wool Pattern-taking dress pattern cuffs cap stockings Rayon conservation false weave heavy and awkward handling knickers storage masculine culture jacket stockings Preparing the public Qing Dynasty white cotton Le Lac des cygnes Tiziano Vecelli labels skirt Manneken-Pis textile fibers warp courtship museum Nylon seamstress military uniforms Raymonda 18th century 1962 manufacture Royal Museum of Mariemont collecting policy necklace Marking silk lace 1970s health safety Titian identifying stitches Chile interview Guidelines burn test pants stored Code of Ethics for Museums Theater