4137 / Photo restorer Martin Jurgens, Hamburg/Germany, studying ink jet prints. A collection of targets helps him compare color space and resolution of printers, papers and inks and thus enables him to identify the materials used. On the monitor: cross-section of an ink jet print with layers. Top to bottom: color carrier; moisture absorber; PE seal; paper core; PE sealed back.) - Marc Steinmetz / VISUM - Stichworte: Europe, Germany, Hamburg, preservation, culture, art, photo, restoration, restorer, people, man, examine, examination, science, ink, jet, print, prints, inkjet, target, color, space, microscope, Martin, Jurgens, workshop