This is an important article discussing in scientific terms the problems of restoring some very fragile banners. The author summarizes some of the latest research, lists the synthetic emulsions useful in such restoration and comments upon the problems arising from the restoration of banners in different materials and techniques. A fuller account will appear in the author's forthcoming book on the subject (Restaurierung und Konservierung von Teztilien: die Anwendung der modernen Kunstoffchemie bei der Konservierung von brüchigen Stoffen unter besonderer Berügcksichtigung der Restaurierung historischer Fahnen). -- AATA