Color blindness in its relation to railway employees and the public
By: by G. Sterling Ryerson.
Series: CIHM/ICMH microfiche series -- no. 12800.
Publisher: J.E. Bryant
Published: 1981
Place of publication: Toronto
Language: eng
Format: Microform
Number of pages: 10
Subjects: Color blindness -- Canada; Railroads -- Canada -- Employees
Notes: "A paper read at the Canadian Institute, Toronto, at the regular meeting, Saturday, Feb. 9th, 1889."

"With the compliments of the author"--cover.

Reproduction of original in: National Library of Canada.

Pre-1900 Canadiana.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1981. 1 microfiche (11 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 12800).