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Marion Kite Head of Furniture, Textiles and Frames Conservation. Victoria and Albert Museum

Science and Heritage Research Cluster Lace:- Conservation issues, past, present and future possibilities. Marion Kite Head of Furniture, Textiles and Frames Conservation. Victoria and Albert Museum. What is lace?.

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Marion Kite Head of Furniture, Textiles and Frames Conservation. Victoria and Albert Museum

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  1. Science and Heritage Research ClusterLace:- Conservation issues, past, present and future possibilities Marion Kite Head of Furniture, Textiles and Frames Conservation. Victoria and Albert Museum

  2. What is lace? • Textiles made of a variety of different techniques with a common characteristic of an open delicate structure. • Originally a narrow tape or braid • By late 16th century a term used for all forms of openwork. • Made by professionals and amateurs. • High quality lace changed technically and stylistically in response to changes in fashion

  3. Types of lace • Cut work • Bobbin lace • Needle lace • Tape lace • Metal thread lace • Parchment lace • Machine made lace • Embroidered net • Chemical lace- (machine embroidered pattern upon a sacrificial fabric which is chemically treated so as to disintegrate after the pattern is created.) • Lacebark tree (Lagetta Lagetto)

  4. How worn and used Worn by • Men • Women • Children • Day and evening • Secular and ecclesiastical purposes

  5. How worn and used Used on • Toys • Dolls • Dress Accessories • Furnishings • other

  6. Materials • Linen • Cotton • Silk • Hair • Lace may be coloured- colours may not be fast? • Combination of fibres and materials- straw, cactus fibre • synthetic polymeric fibres • Chemical lace • Wool- (yak lace)

  7. Materials • Metal threads around silk or linen core • Metal thread applied to paper around a silk core • Parchment lace • Copper wire- 17th c. 3D lace, • horse hair – French needle lace, • pearls, beads, sequins, • Other…….

  8. Types of damage • Overall weakness and fibre degradation due to various causes. • Wear whilst in use • physical damage • Poor handling and storage

  9. Types of damage • Wear and tear • Stains and soiling • dirt • Food • other • Light, (fading – yellowing) • Temperature (hot iron) • Humidity. (mould)

  10. Types of damage • Staining/soiling various causes

  11. Washing, (wet cleaning) Boiling –and harsh physical treatment ‘sent every 2 weeks to Fulham steam laundry’ washing soda (sodium carbonate) commercial detergents with ‘optical whiteners’ biological detergents soap, (soapwort plant, Genus Saponaria, Family Caryophyllaceae) Amphipathic glycosides Ironing Scorch marks. pressure Possible past treatments-whilst in use

  12. Possible past treatments-domestic-whilst in use • Bleaching, • sunshine • chlorinated bleaches • ammonia • ‘blue bags’ 1852 synthetic ultramarine and sodium bicarbonate • Carbolic soap-contained phenol or carbolic acid • Stiffening, • Starch- various --wheat starch, rice starch, Sugar solution • Other?

  13. Possible past treatments-Conservation treatments in museums • Cleaning- wet cleaning- • Soap (saponaria) Amphipathic glycosides • Lissapol (Nonylphenoxy)polyethylene oxide) • Synperonic detergent -alcohol ethoxylate • Sodium borohydride also known as sodium tetrahydroborate • Coloured silk if fugitive could have been treated with acetic acid • others

  14. Possible past treatments-Conservation treatments in museums • Bleaching/stain removal- • Chloramine T sodium p-toluenesulfonchloramide trihydrate • ‘Poot’ Sodium silicate, sodium carbonate, sodium hydroxide, hydrogen peroxide • EDTA. ethylenediaminetetraacetic acid • Hydrogen Peroxide and ammonia

  15. Possible past treatments-Conservation treatments in museums • Stiffening, • Rhodoviol- polyvinyl alcohol • starch- wheat, rice, others • Consolidant-Soluble nylon N-methoxymethyl nylon • Metal thread cleaning • IMS +deionised water • Ammonia in water • Silver dip- (active ingredient hydrochloric acid) • acetone • Lacquering nitrocellulose lacquer • to prevent tarnishing, (but also stiffens and coats core fibre)

  16. Conservation Treatments- Repair and support • Restoration work- where lace has been fully reconstructed (19th c) • Repairing linkages-by stitching and by adhesive methods. • Full/partial support- stitching, patching with net. • Support-thermoplastic adhesive carried upon a support fabric- often a nylon net

  17. Research Questions • Aims To inform future actions for conservation and care:-to establish protocol and methodology before new conservation treatment is undertaken. Research questions • What are the residues? • identify chemical residues • How do we determine structural integrity of fibres? • investigation of non destructive testing techniques

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