The National Gallery Technical Bulletin

The Infra-red Examination of Raphael's 'Garvagh Madonna'
pp. 6-21(16)
Authors: Dunkerton, Jill; Penny, Nicholas

Laurent de La Hyre's Allegorical Figure of Grammar
pp. 22-33(12)
Authors: Wine, Humphrey; Ackroyd, Paul; Burnstock, Aviva

Canaletto's 'Stonemason's Yard' and 'San Simeone Piccolo'
pp. 34-41(8)
Authors: Bomford, David; Roy, Ashok

The Technique and Restoration of Bratnantino's Adoration of the Kings
pp. 42-61(20)
Author: Dunkerton, Jill

Fading and Colour Change of Prussian Blue: Occurrences and Early Reports
pp. 62-71(10)
Author: Kirby, Jo

Image Processing at the National Gallery: The VASARI Project
pp. 72-85(14)
Authors: Saunders, David; Cupitt, John

Analyses of Paint Media
pp. 86-94(9)
Authors: White, Raymond; Pilc, Jennifer

Pictures Cleaned and Restored in the Conservation Department of the National Gallery, January 1989 - October 1992
pp. 95-96(2)