The Multiple position letter sorting machine
Subtitle: an evaluation of visual, auditory, and human factor problems : report of a joint working group
By: Committee on Vision, Committee on Hearing, Bioacoustics, and Biomechanics, Assembly of Behavioral and Social Sciences, National Research Council.
Contributors: Assembly of Behavioral and Social Sciences (U.S.). Committee on Vision.; Assembly of Behavioral and Social Sciences (U.S.). Committee on Hearing, Bioacoustics, and Biomechanics.
Publisher: National Academy of Sciences
Published: 1979
Place of publication: Washington
Language: eng
Number of pages: 30
Subjects: Mail sorting -- Automation.; Letter mail handling.; Postal service -- United States -- Automation.
Notes: Includes bibliographical references (p. 17-19).