Another delay ensued when a material called collodion, which enables the transfer of page images to zinc photographic plates, was found to have been banned during the war and was only available in the city of Zwickau in the Soviet occupation zone. As the Cold War had begun, Zwickau was unreachable, so the collodion had to be ordered from America. Meanwhile, Germany's currency crisis delayed the German's government's funding of the project until the implementation of economic reforms in spring 1948.
