Color-blindness : its dangers and its detection / by B. Joy Jeffries.
- Jeffries B. Joy (Benjamin Joy), 1833-1915.
- Date:
- 1879
Licence: Public Domain Mark
Credit: Color-blindness : its dangers and its detection / by B. Joy Jeffries. 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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