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Color-blindness and defective sight among railroad employés
Collection:
Medicine in the Americas, 1610-1920
Publication:
[Boston?] : [publisher not identified], [1880?]
Language(s):
English
Format:
Text
Subject(s):
Color Vision Defects
Accidents, Occupational -- prevention & control
Vision Tests
Railroads
Copyright:
The National Library of Medicine believes this item to be in the public domain.
(More information)
Extent:
8 pages
NLM Unique ID:
101170835 (
See catalog record
)
Permanent Link:
http://resource.nlm.nih.gov/101170835
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