Subjects: Color Vision Defects and Massachusetts / Authors: Jeffries, B. Joy (Benjamin Joy), 1833-1915 - Digital Collections - National Library of Medicine Search Results

Start Over Subjects Color Vision Defects ✖ Subjects Massachusetts ✖ Authors Jeffries, B. Joy (Benjamin Joy), 1833-1915 ✖

1. Dangers from color-blindness in railroad employés and pilots

Author(s):: Jeffries, B. Joy (Benjamin Joy), 1833-1915
Publication:: Boston : Rand, Avery, & Co., Printers in the Commonwealth, 1878
Subject(s):: Color Vision Defects
Accidents, Occupational -- prevention & control
Pilots
Railroads
Massachusetts