Rare Books
Dangers from color-blindness in railroad employés and pilots
Image not available
You might also be interested in
Image not available
Color-blindness report of Dr. B. Joy Jeffries: incomplete copy
Manuscripts
This report, done by Dr. Jeffries, was done for the city of Boston and is the result of testing done by the doctor in the public schools of Boston. This copy is incomplete and it ends mid-sentence on the 12th page. On the cover is a handwritten note: "Prof. John Tyndal [sic] with the Compliments of the Author."
mssHM 75952
Image not available
Color-vision and color-blindness. : A practical manual for railroad surgeons
Rare Books
713119
Image not available
Two letters from the Hon. James B. Campbell ... on public affairs, and our duties to the colored race
Rare Books
314549