silk photography skirt reconstruction opera packing fabric mercury damage buttonhole stitch Identification Tiziano Vecelli fibers color symbolism Blogs hospital Gallen chemicals sewing techniques conservation crochet transporting checklist Roméo et Juliette Taoist jacket fiber dust mechanical aids 1970s data record shuttle exhibition space professional dress wool sprang long and short stitch masculine culture forming holes Tizian 20th century Rosenborg Castle undergarments traditional costume copy group identity interview St Gall Code of Ethics for Museums Queen Mary of Hungary pants stitches Swan Lake Silk Don Quichotte khila't exhibition floral ornaments date embroidery Viscose