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Virages sur mordançage, Bleu (blue mordant toning), backlight, Swiss collectors'copy. Source: Didiée, L. (1926): Le Film vierge Pathé. Manuel de développement et de tirage. Paris: Pathé. [quote id='7']
- Photomicrograph, 25x. Credit: Norbert Wey, Institute of Pathology, University of Zurich.
- Photomicrograph, 50x. Credit: Norbert Wey, Institute of Pathology, University of Zurich.
- Photomicrograph, 100x. Credit: Norbert Wey, Institute of Pathology, University of Zurich.
- Photomicrograph, 100x. Credit: Norbert Wey, Institute of Pathology, University of Zurich.