Some of the inefficiencies of the methods ordinarily employed by railway surgeons for the detection of subnormal color-perception (color-blindness)

Some of the inefficiencies of the methods ordinarily employed by railway surgeons for the detection of subnormal color-perception (color-blindness)

Collection:
Medicine in the Americas, 1610-1920
Author(s):
Oliver, Charles A. (Charles Augustus), 1853-1911 author
Publication:
[St. Louis] : [publisher not identified], [1896]
Language(s):
English
Format:
Text
Subject(s):
Color Vision Defects -- diagnosis
Railroads
Employment
Genre(s):
Address
Copyright:
The National Library of Medicine believes this item to be in the public domain. (More information)
Extent:
8 pages
NLM Unique ID:
101766143 (See catalog record)
OCLC no.:
84268729
Permanent Link:
http://resource.nlm.nih.gov/101766143