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Egypts palaces have various openings and architectures, the most significant of which werethose openings containing stained glass. Due to the degradation of most stained-glasswindows in the Egyptian palaces that are full of artistic works of high production quality andthe increase of degradation factors, whether natural or artificial, they should be immediateconserved to keep this heritage from extinction. Thus, the study investigates, diagnoses, interpretsthe degradation phenomena of stained glass in some Cairo palaces from 1850 to 1950. It alsoinvestigates their relation to the internal degradation of most glass pieces. Furthermore,damage caused by humans due to negligence and ignorance of handling this type of monumentsis studied. It proposes a plan of a national project to restore and maintain this heritage. Therefore,it utilizes the descriptive and analytical approach besides the comparative one to define andpresent degradation manifestations of stained glass in Sakakini palace (est. 1897), PrinceYoussef Kamal Palace (est. 1908), Tahra palace (est. 1915), and Rustom pasha palace (est.1927). The study recommends paying special interest to those windows and setting a nationalproject to restore those palaces, in general, and their stained-glass, in particular.

A STUDY OF DEGRADATION PHENOMENA OF THE STAINED GLASS IN SOME CAIRO PALACES FROM 1850 TO 1950