Sistine Chapel ceiling according to the Gospel of Matthew. However, the genealogy is now incomplete, since the two lunettes of the windows in the Altar wall were destroyed by Michelangelo when he returned to the Sistine Chapel in 1537 to paint The Last Judgment. Only engravings, based on a drawing that has since been lost, remain of them. The sequence of tablets seems a little erratic as one plaque has four names, most have three or two, and two plaques have only one. Moreover, the progression moves from one side of the building to the other, but not consistently, and the figures the
Sistine Chapel layer of animal glue and "lamp black", all of the wax, and all of the overpainted areas were contamination of one sort or another: smoke deposits, earlier restoration attempts, and painted definition by later restorers in an attempt to enliven the appearance of the work. Based on this decision, according to Arguimbau's critical reading of the restoration data that have been provided, the chemists of the restoration team decided upon a solvent that would effectively strip the ceiling down to its paint-impregnated plaster. After treatment, only that which was painted "buon fresco" would remain. The only reproduction of the Sistine