An act relative to the employment by railroad companies of persons affected with defective sight or color blindness
Massachusetts. General Court, enacting jurisdiction.
Jeffries, B. Joy (Benjamin Joy), 1833-1915, former owner U.S. Naval Museum of Hygiene, former owner.
[Boston, Mass.?] : [publisher not identified], [1881?]
Railroads -- manpower
Visually Impaired Persons
Color Vision Defects
The National Library of Medicine believes this item to be in the public domain
NLM Unique ID:
See catalog record
Metadata (Dublin Core)