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roof damage

Already in 1831 Johann Wolfgang Doebereiner recognized the light sensitivity of ferrioxalate, the basis of this photochemical process, which led to the later invention of the cyanotype and platinum printing. The cyanotype is one of the positive processes in which influencing is not possible or only slightly possible. The topic of roof damage was implemented using cyanotype. For this purpose, brain scans, brain structures and cross-sections were mapped.