Fig. 4From: Revealing unique inscriptions of a Nazi collaborator in Doodencel 601 of the OranjehotelRaking light and thermographic observations of the 45 cm × 60 cm post-war plastered wall section of cell 601. a Shows the raking light photograph of the full section, b–d show details observed by raking light photography (the brownish figures) and infrared thermography (the greyish figures)Back to article page