Standards of form and color-vision required in railway service

Collection:: Medicine in the Americas, 1610-1920
Author(s):: Williams, Charles H. (Charles Herbert), 1850-1918, author
Contributor(s):: American Ophthalmological Society.
Publication:: [Boston?] : [publisher not identified], [1897?]
Language(s):: English
Format:: Text
Subject(s):: Color Vision Defects
Mandatory Testing
Railroads
Copyright:: The National Library of Medicine believes this item to be in the public domain (More information)
Extent:: 24 pages
Illustrations:: Illustrations
NLM Unique ID:: 101225218 (See catalog record)
Permanent Link:: http://resource.nlm.nih.gov/101225218

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