A simple method of testing for color-blindness

A simple method of testing for color-blindness

Collection:
Medicine in the Americas, 1610-1920
Author(s):
Sewall, Henry, 1855-1936 author
Publication:
[Philadelphia?] : [publisher not identified], [1886?]
Language(s):
English
Format:
Text
Subject(s):
Color Vision Defects -- diagnosis
Color Perception Tests
Copyright:
The National Library of Medicine believes this item to be in the public domain (More information)
Extent:
1 folded sheet (4 pages)
NLM Unique ID:
101736106 (See catalog record)
OCLC no.:
1060577712
Permanent Link:
http://resource.nlm.nih.gov/101736106