This National Gallery Technical Bulletin, like all previous volumes in this critically acclaimed series, draws on the combined expertise of curators, conservators and scientists to bring together a wealth of information about artists' materials, work This National Gallery Technical Bulletin, like all previous volumes in this critically acclaimed series, draws on the combined expertise of curators, conservators and scientists to bring together a wealth of information about artists' materials, working practices and techniques. The Bulletin provides a unique record of research carried out at the National Gallery. ...Continua Nascondi