mechanical aids Munich customs cuffs cap stockings giraffe contagious residue Costume idioms photography reconstruction textile techniques Princess Margaret apron Prince Frederik reused clothes lace Terminology angel conservation Pintrest vacuum Fabrics accession professional dress St Gallen Museo Histórico Nacional Swan Lake exhibition sash Royal Museum of Mariemont weave contents accession number risk fiber dust knit archival materials Tizian Hans Maler 20th century elasticity Sculptors Facebook pattern collecting policy José Miguel Carrera Kensington Palace wearer stored ballet stitches filet lace preventive conservation machinery checklist Collections Trust UK embroidery 19th century Identification tunic