Technical Bulletin 26

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 26 of the Technical Bulletin contains the following essays:  

  
• The Evolution of Rubens’s Judgement of Paris
  
• The Design Practices of the Dutch Architectural Painter Bartholomeus van Bassen
  
• Mazo’s Queen Mariana of Spain in Mourning
  
• Investigation of Pigment-Medium Interaction Processes in Oil Paint containing Degraded Smalt
  
• The Technology of Red Lake Pigment Manufacture through Study of the Dyestuff Substrate
  
• Analysis of Paint Media: New Studies of Italian Paintings of the Fifteenth and Sixteenth Centuries
  

Ashok Roy is Director of Science at the National Gallery.