The National Gallery Technical Bulletin is a unique record of research carried out at the National Gallery. Drawing on the combined expertise of curators, conservators, and scientists, it brings together a wealth of information about artists' materials, practices, and techniques.
Volume 23 of the Technical Bulletin contains the following essays:
- The cleaning and restoration of Fra Angelico’s predella panels in the National Gallery
- The technique of Garofalo’s paintings in the National Gallery
- Two paintings by Charles-François Daubigny
- The blackening of vermilion: a study of the process through detailed analysis of paint samples
- The ‘MARC II’ digital camera and the scanning initiative at the National Gallery
- Enhanced image processing of X-rays
- Adhesives for the repair of early panel paintings: an evaluation of their physical properties
Ashok Roy is Director of Scientific Research at the National Gallery.