- This book contains case studies of conservation treatments from students working in UCLA getty- Includes over 200 images in full color The influence of preparatory layers on the stability of oil paintings is a subject that has occupied the minds of many authors of artist's manuals, recipe books and related historical sources. Depending on their location in time and space, artists have had different views on the subject and have selected different materials and techniques to prepare their support for painting. Preparatory layers influence the texture of a painting, the colour has an impact...