Pseudo-isochromatische Tafeln für die Prüfung des Farbensinnes / von Dr. J. Stilling.
- Date:
- 1889
Licence: Public Domain Mark
Credit: Pseudo-isochromatische Tafeln für die Prüfung des Farbensinnes / von Dr. J. Stilling. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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