Cover Image

Readability of alphanumeric characters having various contrast levels as a function of age and illumination mode /

Bibliographic Details
Main Author: Welsh, Kenneth W.
Corporate Authors: United States. Office of Aviation Medicine, Civil Aeromedical Institute
Other Authors: Rasmussen, P. G., Vaughan, John A.
Format: Government Document Book
Language:English
Published: Washington : Dept. of Transportation, Federal Aviation Administration, Office of Aviation Medicine ; 1977.
Series:Report - Office of Aviation Medicine ; FAA-AM-77-13
Subjects:
Visual discrimination.
Form perception.
Aging.
Description
Item Description:Cover title.
Prepared under Task number AM-A-77-PHY-93.
Includes appendix.
Issued July 1977.
Physical Description:11 pages : illustrations ; 26 cm.
Bibliography:Bibliography: pages 7-8.