Visual requirements of transportation employees
Series: Conservation of vision series -- pamphlet XIV; Conservation of vision series -- pamphlet XIV.
Publisher: American Medical Association
Published: 1914
Place of publication: Chicago
Language: eng
Format: [electronic resource]
Number of pages: 14
Subjects: Vision; Testing; Railroads; Employees; Transport workers
Notes: Digital version available with no restrictions Unrestricted online access

Electronic reproduction. New York, N.Y.: Columbia University Libraries, 2016. Digitized by the Internet Archive.

Benchmark for Faithful Digital Reproductions of Monographs and Serials. Version 1. December 2002. Digital version conforms to: http://purl.oclc.org/DLF/benchrepro0212

Digitized. 2016 Columbia University Libraries committed to preserve