Restoration of Photographs by Neutron Activation

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Science  07 Oct 1966:
Vol. 154, Issue 3745, pp. 119-123
DOI: 10.1126/science.154.3745.119


Badly faded or stained photographs or radiographs, negative or positive, can be restored by use of neutron activation and autoradiography, provided that at least a trace of image silver is present and that the picture is relatively free of halogens and other silver.