The National Gallery Technical Bulletin is an annual record of research carried out at the National Gallery, London. Drawing on the combined expertise of scientists, conservators and curators, it brings together a wealth of information about artists’ materials, practices and techniques.

This volume continues the National Gallery’s acclaimed Technical Bulletin series with a selection of studies across the range of the collection, jointly authored by experts in the field of conservation and the scientific examination of paintings.

‘Artemisia Gentileschi's Self Portrait as Saint Catherine of Alexandria' Larry Keith, Letizia Treves, Marta Melchiorre di Crescenzo and Joanna Russell

‘Rediscovering Reni: The Technical Investigation, Treatment, and Reattribution of The Toilet of Venus' Kristina Mandy, Francesca Whitlum-Cooper, Rachel BIllinge, Helen Howard, Gabriella Macaro and David Peggie

‘Scipione Pulzone’s Portrait of a Cardinal: New Insights into the Materials and Technique of a Painting on Tinned Copper Claire Shepherd, Marta Melchiorre di Crescenzo and Nelly von Aderkas

'Pieced Together: The Structural Panel Treatment of Giovanni Martini da Udine’s Virgin and Child with Saints George, James the Greater and a Donor’ Britta New

‘A Note on an Occurrence of Egyptian Blue in Garofalo’s The Holy Family with Saints Elizabeth, Zacharias, John the Baptist (and Francis?)' Marika Spring, Rachel Billinge and Giovanni Verri

‘Sir Charles Eastlake encounters Jan van Eyck (1828–1865): Contextualising his research into Early Netherlandish Materials and Techniques’ Susanna Avery-Quash and Marika Spring