Research Catalog

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

Title
  1. Readability of alphanumeric characters having various contrast levels as a function of age and illumination mode / Kenneth W. Welsh Paul G. Rasmussen, and John A. Vaughan ; Civil Aeromedical Institute, Federal Aviation Administration, Oklahoma City, Oklahoma.
Published by
  1. Washington : Department of Transportation, Federal Aviation Administration, Office of Aviation Medicine ; Springfield, Va. : For sale by the Naional Technical Information Service, 1977.
Author
  1. Welsh, Kenneth W.

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Details

Additional authors
  1. Rasmussen, P. G.
  2. Vaughan, John A.
  3. United States. Office of Aviation Medicine.
  4. Civil Aeromedical Institute.
Series statement
  1. Report - Office of Aviation Medicine ; FAA-AM-77-13
Uniform title
  1. Report (United States. Office of Aviation Medicine) ; FAA-AM-77-13.
Subject
  1. Visual discrimination
  2. Form perception
  3. Aging
Owning institution
  1. Columbia University Libraries
Note
  1. Cover title.
  2. Prepared under Task no. AM-A-77-PHY-93.
  3. Includes appendix.
  4. Issued July 1977.
Bibliography (note)
  1. Bibliography: p. 7-8.