Characteristics and methodology of application of the plasters used in the preparation of paintings on board. First results of the study carried out on four tables from the XV-XVI centuries

Abstract

1. Introdiction

2. The plaster

3. Gypsum-based preparations

3.1. Gypsum-based preparations in medieval treatises

3.2. Composition of gypsum-based preparations

4. Study of the preparation of four tables

5. Conclusions