sprang textile fibers Code of Ethics for Museums personal memories Storing Alto Peru selection criteria pesticide accessioning Identification clothes lace fibers Princess Margaret buttonhole stitch Thailand Lady in White stitch Royal Museum of Mariemont popular culture cross stitch lining Comparative items folk dress weaving Leather crewel stitch Moulins Accessories cotton exhibition hospital Reconstruction pattern-taking professional dress crochet Casse Noisette fiber dust uniform opera Stories Royal Collections checklist identification of lace marriage shuttle Kensington Palace wearer Knitting reconstruction Ponchos embroidery transportation allergens tatting lace museum mask prints acid-free tag Heavily altered items