Fig. 5From: Saturnino Herrán’s portable murals: symbolism, material agency and conservation(Top) Intensities of S-Kα (red line) and Ca-Kα (blue line) signals of all the data acquisition points in Alegoría de la construcción and Alegoría del trabajo mural paintings; (bottom) corresponding ratio of Lα / M lines of Pb calculated for all the analysis data pointsBack to article page